Financial
Investment Calculators
Kelly Criterion Calculator - Calculate the optimal percentage of your capital to bet or invest using the Kelly Criterion formula. Features interactive visualization, fractional Kelly options, risk analysis, and step-by-step calculations for traders and bettors. New
Financial Calculators
Annuity Calculators
Immediate Annuity Calculator - Calculate periodic payments from immediate annuities with interactive charts, payment schedules, step-by-step calculations, and principal vs interest breakdown analysis.
Present Value Annuity Due Calculator - Calculate the present value of annuity due (PVAD) with step-by-step formulas, payment schedule, timeline visualization, and comparison with ordinary annuity.
Present Value of Annuity Calculator - Calculate the present value of ordinary and annuity due with interactive payment timeline, detailed breakdown tables, and comprehensive financial analysis including PVIFA factors.
Present Value of Growing Annuity Calculator - Calculate the present value of a growing annuity (PVGA) with step-by-step formulas, interactive cash flow timeline visualization, and detailed payment schedule analysis.
PVIFA Calculator - Calculate the present value interest factor of annuity (PVIFA) with interactive visualization, period-by-period breakdown, and practical annuity valuation examples. Featured
Bond Calculators
Bond Equivalent Yield Calculator - Calculate bond equivalent yield (BEY) with step-by-step formula breakdown, visual comparison charts, multiple bond analysis, and investment insights for treasury bills, commercial paper, and discount securities.
Bond Yield Calculator - Calculate bond yields including Current Yield, Yield to Maturity (YTM), and Yield to Call (YTC) with step-by-step formulas, cash flow analysis, and interactive visualization.
Bond Yield to Maturity Calculator - Calculate bond yield to maturity (YTM) with step-by-step formula breakdown, cash flow visualization, investment analysis, and comprehensive bond metrics including current yield and capital gain/loss.
Zero Coupon Bond Calculator - Calculate zero coupon bond present value, yield to maturity (YTM), and comprehensive investment metrics with step-by-step formulas, interactive charts, and bond comparison analysis.
Credit Card Calculators
Credit Card Interest Calculator - Calculate your credit card payoff timeline, total interest cost, and compare payment strategies. Visualize how minimum payments extend your debt and discover how much you can save by paying more.
Credit Card Payment Calculator - Calculate your credit card payment, total interest, and view a complete amortization schedule with interactive visualizations.
Credit Card Payoff Calculator - Calculate how long it will take to pay off your credit card balance with a detailed amortization schedule, total interest cost, payoff date, and visual breakdown of payments over time.
Cryptocurrency Calculators
Crypto Arbitrage Calculator - Calculate potential profit from buying cryptocurrency on one exchange and selling on another, accounting for trading fees, withdrawal fees, and network costs. See real-time profitability analysis with detailed breakdown. New
Crypto Leverage Calculator - Calculate your leveraged crypto futures position size, potential profit/loss, ROI, and liquidation price. Visualize risk with interactive charts for Bitcoin, Ethereum, and other cryptocurrencies. New
Impermanent Loss Calculator - Calculate impermanent loss when providing liquidity to AMM pools. Compare LP returns vs HODL strategy with interactive visualizations and real-time analysis for Uniswap, PancakeSwap, and other DEXs. New
Satoshi to USD Converter - Convert satoshis (the smallest unit of Bitcoin) to USD and other fiat currencies. Includes visual breakdown, step-by-step calculations, and Bitcoin unit conversions. New
Debt Calculators
Debt Coverage Ratio Calculator - Calculate the Debt Service Coverage Ratio (DSCR) with step-by-step formula breakdown, visual gauge, lender benchmark comparison, and NOI builder. Supports basic, advanced, and reverse DSCR calculation modes.
Debt to Income Ratio Calculator - Calculate your debt-to-income ratio with itemized debt categories, visual DTI gauge, mortgage qualification tiers, step-by-step formula, and actionable improvement tips.
Fixed Charge Coverage Ratio Calculator - Calculate the Fixed Charge Coverage Ratio (FCCR) with step-by-step formulas, visual gauge analysis, financial health assessment, and comprehensive breakdown of a company's ability to cover fixed obligations.
Interest Coverage Ratio Calculator - Calculate Interest Coverage Ratio (ICR) and Times Interest Earned (TIE) with visual gauge, financial health assessment, industry benchmarks, step-by-step calculation breakdown, and risk analysis for debt coverage evaluation.
Times Interest Earned Ratio Calculator - Calculate the Times Interest Earned (TIE) ratio with step-by-step analysis, financial health assessment, visual gauges, and industry benchmark comparison. Evaluate debt coverage capacity and creditworthiness.
Discount Calculators
Discount Calculator - Calculate the final price after discount with visual savings breakdown, stacked discount support, tax calculation, and interactive price comparison. Perfect for shopping deals, sales, and coupon stacking.
Discount Factor Calculator - Calculate the discount factor (present value factor) for future cash flows with interactive charts, NPV analysis, and comprehensive time value of money insights.
Percent Off Calculator - Calculate sale prices and savings instantly with our percent off calculator. Find out how much you save with any discount percentage. Perfect for shopping, sales analysis, and price comparisons. Featured
Efficiency Calculators
Average Collection Period Calculator - Calculate the average collection period with interactive cash flow visualization, receivables turnover ratio, industry benchmarks, and efficiency analysis to optimize your accounts receivable management.
Debtor Days Calculator - Calculate debtor days (DSO) to measure how many days it takes to collect payment from customers. Includes step-by-step formula breakdown, performance benchmarks, and cash flow analysis.
Fixed Asset Turnover Calculator - Calculate fixed asset turnover ratio with interactive visualization, industry benchmarks, step-by-step formulas, and efficiency analysis to measure how well your business generates revenue from fixed assets.
Inventory Period Calculator - Calculate inventory period (days in inventory) with step-by-step formulas, industry benchmarks, visual analytics, and inventory management insights for business optimization.
Inventory Turnover Calculator - Calculate inventory turnover ratio, days sales in inventory (DSI), and compare with industry benchmarks. Features step-by-step formulas, efficiency ratings, and actionable business insights.
Receivables Turnover Ratio Calculator - Calculate receivables turnover ratio, days sales outstanding (DSO), and collection period with step-by-step formulas, interactive visualization, industry benchmarks, and financial health assessment.
Revenue Per Employee Calculator - Calculate revenue per employee with industry benchmarks, multi-company comparison, efficiency ratings, and detailed productivity breakdown for workforce analysis.
Total Asset Turnover Calculator - Calculate total asset turnover ratio with step-by-step formula breakdown, industry benchmarks, efficiency rating, and visual analysis. Measure how effectively a company uses its assets to generate revenue.
Financial Ratio Calculators
Acid Test Ratio Calculator - Calculate the acid test ratio (quick ratio) to assess if your business has enough liquid assets to cover immediate liabilities. Get instant financial health assessment, visual gauges, and detailed analysis.
Cash Ratio Calculator - Calculate the cash ratio to measure a company's ability to pay current liabilities with cash and cash equivalents. Features step-by-step formula breakdown, liquidity gauge, industry benchmarks, and financial health assessment.
Current Ratio Calculator - Calculate the current ratio to measure short-term liquidity. Includes visual ratio gauge, asset vs liability breakdown, industry benchmarks, and comprehensive financial health analysis.
Equity Ratio Calculator - Calculate equity ratio to measure financial leverage and solvency. Includes debt ratio, debt-to-equity analysis, visual gauge, industry benchmarks, and step-by-step calculation breakdown.
Goodwill to Assets Ratio Calculator - Calculate the goodwill to assets ratio with step-by-step formula breakdown, risk assessment, industry benchmarks, and visual gauge. Evaluate acquisition strategy and intangible asset exposure.
Loan to Deposit Ratio Calculator - Calculate loan to deposit ratio (LDR) with visual analysis, liquidity health assessment, regulatory benchmarks, and step-by-step calculations for banking financial analysis.
Quick Ratio Calculator - Calculate quick ratio (acid test ratio) with step-by-step analysis, liquidity assessment, component breakdown visualization, and industry benchmark comparison.
Retention Ratio Calculator - Calculate retention ratio (plowback ratio) with step-by-step formula breakdown, visual earnings allocation chart, business interpretation, and industry benchmark comparison for corporate financial analysis.
Forex Calculators
Pip Value Calculator - Calculate the value of a single pip in your account currency for any forex currency pair with live exchange rates. Essential for forex position sizing, risk management, and trade planning. New
Interest Calculators
Compound Interest Calculator - Calculate compound interest with detailed year-by-year breakdown, interactive growth charts, and comprehensive investment analysis including effective annual rate and growth projections.
Continuous Compounding Calculator - Calculate continuous compounding interest and future value with step-by-step formulas, growth visualization, and comparison charts. Understand the power of Euler's number (e) in financial calculations.
Doubling Time Calculator - Calculate how long it takes for an investment or value to double at a constant growth rate. Features Rule of 72 comparison, multiple growth milestones, and interactive visualizations.
Rule of 72 Calculator - Use the Rule of 72 to instantly estimate how long it takes to double your investment at a given interest rate. Features interactive timeline visualization, comparison of approximation rules, and growth projections.
Simple Interest Calculator - Calculate simple interest instantly with interactive charts, payment schedules, and step-by-step breakdowns. Compare with compound interest and visualize your investment growth.
Interest Rate Calculators
APR Calculator - Calculate the true Annual Percentage Rate (APR) of your loan including all fees. See monthly payments, total interest, cost breakdown, and amortization schedule with interactive visualization.
APR to APY Calculator - Convert APR to APY with interactive compounding frequency comparisons, step-by-step calculations, and growth projections. Understand the true impact of compound interest on your savings and investments.
APY Calculator - Calculate Annual Percentage Yield (APY) from nominal interest rate and compounding frequency. Compare APY across different compounding periods, project investment growth, and visualize compound interest over time.
APY to APR Calculator - Convert APY (Annual Percentage Yield) to APR (Annual Percentage Rate) with visual comparison, step-by-step calculation breakdown, and comprehensive analysis of how compounding frequency affects your actual interest rate. Featured
Effective Interest Rate Calculator - Calculate the effective annual interest rate (EAR/APY) from a nominal rate and see how different compounding frequencies affect your returns or costs.
Interest Rate Calculator - Calculate the actual annual interest rate (APR) of a loan from the loan amount, term, and monthly payment. Includes step-by-step formula breakdown, full amortization schedule, and interactive payment visualization chart.
Nominal Interest Rate Calculator - Calculate the nominal annual interest rate (APR) from effective annual rate (APY/EAR). Features step-by-step formulas, compounding frequency comparison chart, and educational breakdowns for finance professionals and students.
Investment Calculators
Black-Scholes Option Pricing Calculator - Calculate the theoretical fair value of European call and put options using the Black-Scholes model. Includes Delta, Gamma, Theta, Vega, Rho calculations with interactive payoff diagrams and sensitivity analysis. New
Capital Employed Calculator - Calculate capital employed using multiple methods with visual breakdown, step-by-step calculations, ROCE analysis, and interactive balance sheet diagram.
Compound Savings Calculator - Calculate how your savings grow with compound interest and regular contributions. See year-by-year breakdown, growth charts, milestones, and inflation-adjusted projections. New
Cost of Equity Calculator - Calculate cost of equity using Dividend Discount Model (DDM) and Capital Asset Pricing Model (CAPM) with step-by-step formulas, sensitivity analysis, and professional interpretation.
Fibonacci Extension Calculator - Calculate Fibonacci extension levels (61.8%, 100%, 127.2%, 161.8%, 200%, 261.8%, 423.6%) for profit targets using 3-point ABC wave analysis. Interactive wave visualization, step-by-step formulas, and one-click copy for trading. New
Fibonacci Retracement Calculator - Calculate Fibonacci retracement and extension levels (23.6%, 38.2%, 50%, 61.8%, 78.6%, 127.2%, 161.8%) with interactive visual price ladder, step-by-step formulas, and one-click copy for trading.
IRR Calculator - Calculate the Internal Rate of Return (IRR) for investments with variable cash flows, visual timeline, NPV sensitivity analysis, and step-by-step calculation breakdown. New
NPV Calculator - Calculate Net Present Value (NPV), Internal Rate of Return (IRR), Profitability Index, and Payback Period with step-by-step formulas, cash flow visualization, and investment decision analysis. New
Options Profit Calculator - Calculate and visualize the profit/loss potential of Long Call and Long Put option strategies at expiration with interactive payoff diagrams and comprehensive risk analysis. New
Payback Period Calculator - Calculate simple and discounted payback periods for investments with year-by-year cash flow analysis, interactive visualization, and break-even timeline. New
Savings Calculator - Calculate how your savings will grow over time with compound interest, monthly deposits, and detailed year-by-year projections. Includes growth charts, milestone tracking, and inflation-adjusted estimates.
Sharpe Ratio Calculator - Calculate the Sharpe Ratio to measure risk-adjusted investment returns. Analyze portfolio performance with step-by-step calculations, interactive charts, and professional benchmarking.
Short Selling Profit Calculator - Calculate short selling profit or loss including stock borrow fees, margin interest costs, and commissions. Visualize your short position breakdown with interactive charts and detailed cost analysis. New
Stop Loss & Take Profit Calculator - Calculate optimal stop loss and take profit price levels based on risk/reward ratio. Visualize trade setup, determine position size, and manage trading risk effectively. New
WACC Calculator - Calculate WACC (Weighted Average Cost of Capital) with interactive capital structure visualization, step-by-step formula breakdown, and component analysis for corporate finance decisions.
Leverage Calculators
Debt to Asset Ratio Calculator - Calculate debt to asset ratio with visual analysis, industry benchmarks, financial health assessment, and step-by-step formula breakdown for comprehensive leverage evaluation.
Debt to Equity Ratio Calculator - Calculate debt to equity ratio (D/E) with step-by-step breakdown, visual gauge, industry benchmarks comparison, risk assessment, and financial leverage analysis for informed investment decisions.
Equity Multiplier Calculator - Calculate the equity multiplier ratio to measure financial leverage. Includes industry comparisons, debt ratio analysis, step-by-step calculations, and DuPont analysis integration.
Loan Calculators
Amortization Calculator - Calculate monthly mortgage payments, view amortization schedules, and see principal vs interest breakdown with interactive charts.
Auto Loan Calculator - Calculate auto loan payments, total interest, and generate a detailed amortization schedule with interactive charts.
Car Loan Payoff Calculator - Calculate how long it will take to pay off your car loan, compare standard vs accelerated payoff strategies, see total interest savings, and view a detailed month-by-month amortization schedule.
EMI Calculator - Calculate EMI (Equated Monthly Installment) for home loans, car loans, and personal loans with detailed amortization schedule, interest breakdown, and visual payment charts.
Loan Payoff Calculator - Calculate how long it will take to pay off your loan, total interest paid, and view a complete amortization schedule. Compare payoff timelines with extra payments to save money faster.
Monthly Payment Mortgage Calculator - Calculate your monthly mortgage payment with a full amortization schedule, principal vs. interest breakdown, visual charts, and year-by-year payment analysis.
Mortgage Calculator - Calculate your mortgage payment with full amortization schedule, principal vs. interest breakdown, interactive charts, affordability analysis, and year-by-year payment timeline.
Mortgage Comparison Calculator - Compare up to four mortgage offers side by side with monthly payments, total interest, amortization breakdowns, and interactive charts to find your best deal.
Mortgage Refinance Calculator - Compare your existing mortgage with a potential refinance option. Calculate monthly savings, total interest savings, and break-even period to make an informed refinancing decision.
Student Loan Payoff Calculator - Accurately estimate student loan payoff schedules, compare repayment strategies, view amortization tables, and visualize how extra payments accelerate your debt-free date.
Other Financial Calculators
Actual Cash Value Calculator - Calculate the actual cash value (ACV) of your property for insurance claims. Includes depreciation analysis, multiple calculation methods, visual breakdown charts, and year-by-year value tracking. Featured
Car Depreciation Calculator - Calculate how much your car will depreciate over time. Get year-by-year value estimates, interactive charts, and detailed depreciation schedules based on purchase price and depreciation rate. New
Cash Flow Margin Calculator - Calculate cash flow margin with step-by-step formula breakdown, industry benchmarks, visual analysis, and actionable insights for financial health assessment.
Certificate of Deposit Calculator - Calculate CD interest earned, ending balance, APY, year-by-year growth, early withdrawal penalty, and tax-adjusted returns with interactive charts and step-by-step formulas.
Commission Calculator - Calculate sales commission instantly with flat, tiered, and bonus commission structures. Features interactive pie charts, step-by-step breakdowns, and support for real estate, insurance, and sales commissions.
Fixed Deposit Calculator - Calculate fixed deposit maturity amount, interest earned, and compare different compounding frequencies with interactive growth charts and year-by-year breakdown. Featured
Lemonade Stand Calculator - Calculate your lemonade stand profits instantly. Enter costs for lemons, sugar, cups, and ice, set your sale price, and see your break-even point, profit margin, and daily/weekly/monthly projections. New
Pizza Value Calculator - Compare two pizzas by size and price to find the best deal. Uses the area formula (pi times r squared) to calculate the price per square inch for each option, so you always get the most pizza for your money. New
US Inflation Calculator - Calculate what inflation does to the buying power of the US dollar using official CPI data from 1913 to present. See how much money from any year is worth in another year.
Profit Calculators
EBIT Calculator - Calculate EBIT (Earnings Before Interest and Taxes) with visual income statement breakdown, waterfall chart visualization, EBIT margin calculation, and step-by-step formulas.
EBITDA Calculator - Calculate EBITDA using two methods (Net Income or Operating Income approach) with step-by-step formulas, EBITDA margin analysis, interactive breakdown charts, and industry benchmarks.
Profit Calculator - Calculate gross profit, profit margin, and markup percentage from revenue and cost. Features multiple calculation modes, interactive charts, step-by-step formulas, and margin vs markup comparison.
Profitability Calculators
Earnings per Share Calculator - Calculate earnings per share (EPS) including basic EPS, diluted EPS, and weighted average EPS. Features step-by-step calculations, EPS quality analysis, visual comparisons, and investor insights.
EBIT Margin Calculator - Calculate EBIT margin (operating profit margin) with visual analysis, industry benchmarks, profitability assessment, and step-by-step formula breakdown.
EBITDA Margin Calculator - Calculate EBITDA margin with step-by-step breakdown, industry benchmarking, financial health assessment, and interactive visualization. Compare your operating profitability against industry standards.
Gross Profit Margin Calculator - Calculate gross profit margin, gross profit, and markup percentage with interactive visualizations and detailed financial analysis for business profitability assessment.
Markup Calculator - Calculate markup percentage, selling price, or cost with visual breakdown charts, step-by-step calculations, and comprehensive profit analysis for smart pricing decisions. Featured
Net Profit Margin Calculator - Calculate net profit margin with visual profit breakdown, industry benchmarking, step-by-step formulas, and profitability health assessment for business analysis.
Operating Margin Calculator - Calculate operating profit margin (return on sales) with step-by-step breakdown, margin health assessment, industry benchmarks, and multi-period trend analysis.
Operating Profit Percentage Calculator - Calculate operating profit percentage (operating margin) with step-by-step formula breakdown, profit waterfall visualization, industry benchmarks, and financial analysis insights.
Profit to Sales Ratio Calculator - Calculate profit to sales ratio (net profit margin) with step-by-step breakdown, industry benchmark comparison, profitability rating, and actionable business insights.
Return on Assets Ratio Calculator - Calculate Return on Assets (ROA) ratio with DuPont analysis breakdown, industry benchmarks, step-by-step formulas, and comprehensive profitability assessment for informed investment decisions.
Return On Equity Calculator - Calculate Return on Equity (ROE) with DuPont analysis breakdown, step-by-step formulas, industry benchmarks, and visual performance gauges. Analyze profitability, efficiency, and leverage metrics for investment decisions.
Return On Net Assets Calculator - Calculate Return on Net Assets (RONA) with step-by-step formulas, industry benchmarks, visual gauge, scenario analysis, and comprehensive profitability insights.
Return On Sales Calculator - Calculate Return on Sales (ROS) ratio with step-by-step breakdown, industry benchmarks, profitability analysis, and visual gauge. Evaluate operational efficiency and compare performance across industries.
ROCE Calculator - Calculate Return on Capital Employed (ROCE) to measure how efficiently a company generates profits from its capital. Includes step-by-step calculation, interactive gauge chart, industry benchmark comparison, and comprehensive financial analysis.
Real Estate Calculators
Capitalization Rate Calculator - Calculate capitalization rate (Cap Rate), estimate property value using income approach, or determine required NOI for real estate investment analysis with step-by-step formulas and market comparison.
Gross Rent Multiplier Calculator - Calculate Gross Rent Multiplier (GRM) for real estate investment analysis. Includes fair value estimation, market comparison, step-by-step formula breakdown, and investment rating system.
Home Affordability Calculator - Calculate how much house you can afford based on your income, debts, down payment, and mortgage details. Get a complete affordability analysis with monthly payment breakdown, DTI ratios, and visual charts. New
Housing Appreciation Calculator - Calculate your home's appreciation rate, track equity growth, and predict future property value with step-by-step calculations and interactive visualizations. New
Return Calculators
CAGR Calculator - Calculate the compound annual growth rate, visualize investment growth, and understand year-over-year returns with detailed analysis.
Capital Gains Yield Calculator - Calculate capital gains yield (CGY), dividend yield, total return, and annualized performance with step-by-step formulas, interactive charts, and investment analysis.
Dividend Payout Ratio Calculator - Calculate dividend payout ratio with step-by-step formulas, retention ratio analysis, dividend sustainability assessment, and visual breakdown for investors and financial analysts.
Dividend Yield Calculator - Calculate dividend yield with step-by-step formulas, stock comparison, investment analysis, and visual yield indicators. Compare dividend-paying stocks and analyze your dividend income potential.
Effective Yield Calculator - Calculate effective annual yield (APY) from nominal interest rate with step-by-step formulas, compounding frequency comparison, growth visualization, and investment analysis.
Holding Period Return Calculator - Calculate holding period return (HPR) for investments with income, capital gains analysis, annualized returns, and interactive visualization charts.
Investment Return Calculator - Calculate investment returns with compound interest, regular contributions, inflation adjustment, and tax impact. Visualize growth with interactive charts and year-by-year breakdown.
Real Rate of Return Calculator - Calculate the real rate of return adjusted for inflation using the Fisher equation. Visualize purchasing power impact, compare investment scenarios, and understand true investment growth with step-by-step calculations.
ROI Calculator - Calculate your Return on Investment (ROI), annualized ROI, and CAGR with visual breakdown, investment timeline analysis, and performance benchmarking.
Salary And Tax Calculators
Bonus Calculator - Calculate your bonus amount, estimate tax withholding, see total compensation breakdown with visual charts, and understand your take-home pay. Featured
Overtime Pay Calculator - Calculate your total weekly earnings including overtime pay with visual breakdown, step-by-step calculations, and annual projections.
Salary Conversion Calculator - Convert wages between hourly, daily, weekly, bi-weekly, semi-monthly, monthly, quarterly, semi-annually and annually. Visualize your income breakdown with interactive charts. Featured
Sales Tax Calculator - Calculate sales tax amount, total price with tax, or reverse-calculate pre-tax price. Features US state tax rate lookup, receipt-style breakdown, step-by-step formulas, and interactive visualization.
VAT Calculator - Calculate Value Added Tax (VAT) instantly. Add VAT to net prices, remove VAT from gross amounts, or extract VAT from totals. Includes preset rates for 40+ countries with step-by-step calculation breakdowns.
Stock Calculators
Stock Average Calculator - Calculate your new average cost per share when buying additional shares at a lower price. Essential tool for managing bag holding positions with detailed breakdowns, interactive visualizations, and scenario analysis. New
TVM Calculators
Future Value Calculator - Calculate the future value of investments with compound interest, optional periodic contributions, step-by-step formulas, interactive growth chart, and year-by-year breakdown table.
Future Value Factor (FVIF) Calculator - Calculate the Future Value Interest Factor (FVIF) to determine how much $1 invested today will grow. Features interactive growth charts, period-by-period breakdown, and doubling time analysis.
Future Value of Annuity Calculator - Calculate the future value of an annuity with step-by-step formulas, growth visualization, payment schedule breakdown, and comparison between ordinary annuity and annuity due.
Future Value of Annuity Due Calculator - Calculate the future value of annuity due (FVAD) with step-by-step formulas, payment schedule breakdown, investment growth visualization, and comparison with ordinary annuity.
Future Value of Growing Annuity Calculator - Calculate the future value of a growing annuity (FVGA) with step-by-step formulas, interactive growth visualization, detailed payment schedule, and financial analysis.
Future Value of Lump Sum Calculator - Calculate the future value of a lump sum investment with compound interest. See year-by-year growth breakdown, interactive charts, and step-by-step formula explanation.
FVIFA Calculator - Calculate the Future Value Interest Factor of Annuity (FVIFA) with high precision, step-by-step formula breakdown, interactive visualization, payment schedule, and comprehensive FVIFA tables for financial planning.
Present Value Calculator - Calculate the present value of future cash flows including lump sums, ordinary annuities, annuities due, growing annuities, and perpetuities. Features step-by-step formulas, interactive timeline visualization, and investment analysis.
Present Value of Lump Sum Calculator - Calculate the present value of a future lump sum payment with step-by-step calculations, interactive timeline visualization, multiple compounding frequencies, and detailed formula breakdown.
PVIF Calculator - Calculate the Present Value Interest Factor (PVIF) with interactive visualizations, step-by-step calculations, and comprehensive time value of money analysis. Features customizable precision up to 1000 digits. Featured
Trading Calculators
Compound Daily Interest Calculator - Calculate and visualize the exponential growth of a trading account with daily compound interest. See how reinvesting daily percentage gains can dramatically grow a small account over time. New
Implied Volatility Calculator - Calculate implied volatility from option prices using the Black-Scholes model. Features Newton-Raphson iteration, IV surface visualization, Greeks analysis, and comprehensive market interpretation tools. New
Margin Call Calculator - Calculate the exact liquidation price for your leveraged trading position. Visualize risk zones, understand margin requirements, and protect your investments from forced liquidation. New
Martingale Strategy Calculator - Simulate Martingale and Anti-Martingale strategies for trading and betting. Understand capital requirements, risk of ruin, position sizing implications, and expected outcomes with Monte Carlo simulations. New
Option Greeks Calculator - Calculate and visualize the Option Greeks (Delta, Gamma, Theta, Vega, Rho) to understand option price sensitivity to underlying price, time decay, volatility, and interest rates. Features interactive sensitivity charts and trading insights. New
Pivot Point Calculator - Calculate daily pivot points, support (S1, S2, S3, S4), and resistance (R1, R2, R3, R4) levels using Standard, Fibonacci, Woodie, Camarilla, and DeMark methods for technical analysis. New
Position Size Calculator - Calculate optimal position size for trading with advanced risk management. Features include long/short position support, risk-reward ratio analysis, interactive charts, and comprehensive position breakdown for stocks, forex, and crypto. New
Risk of Ruin Calculator - Calculate the statistical probability of losing your entire trading capital based on win rate, payoff ratio, and risk per trade. Features interactive risk visualization, sensitivity analysis, and detailed probability breakdown. New
Valuation Calculators
Book Value Per Share Calculator - Calculate book value per share (BVPS) with visual equity breakdown, step-by-step formulas, Price-to-Book ratio analysis, and investment valuation insights for fundamental stock analysis.
CAPM Calculator - Calculate expected return, risk-free rate, beta, or market return using the Capital Asset Pricing Model (CAPM). Features step-by-step calculation, Security Market Line visualization, and investment risk analysis.
Dividend Discount Model Calculator - Calculate intrinsic stock value using the Dividend Discount Model (DDM) with Gordon Growth, Two-Stage, and H-Model variations. Features step-by-step calculations, dividend projections, and sensitivity analysis.
P/E Ratio Calculator - Calculate the Price-to-Earnings (P/E) ratio with valuation analysis, sector benchmarks, earnings yield, and investment insights. Free online P/E ratio calculator with step-by-step calculations.
Price to Book Ratio Calculator - Calculate the price to book ratio (P/B ratio) to assess stock valuation and compare market price to book value per share.
Guide
The Ultimate Guide to Converting Ounces to Grams and Vice Versa with Miniwebtool - Discover how to easily convert ounces to grams and vice versa with Miniwebtool. A quick guide for accurate conversion.
Master the Magic of Dividing Fractions with These Simple Steps - Uncover the simplicity behind dividing fractions with a step-by-step guide and how Miniwebtool can ease your math journey, making it straightforward and efficient.
How to Find Range: A Step-by-Step Guide with Math Formula - Master how to find range with a step-by-step math formula guide. From basics to using miniwebtool, learn to solve range calculations easily.
Hash and Checksum
Adler32 Checksum Calculator - Calculate Adler-32 checksum of any text string with step-by-step computation trace, hexadecimal/decimal/binary output formats, and A/B component breakdown.
Argon2 Hash Generator - Generate and verify Argon2 password hashes with configurable parameters. Supports Argon2i, Argon2d, and Argon2id variants.
BLAKE2b Hash Generator - Generate BLAKE2b cryptographic hashes from text input. Faster than MD5 and SHA with maximum security. Supports 256-bit, 384-bit, and 512-bit output sizes.
CRC32 Checksum Calculator - Calculate CRC32 checksum of text or data instantly. Get results in uppercase, lowercase hex, decimal, and binary formats with visual breakdown and copy functionality.
CRC64 Checksum Calculator - Calculate CRC64 checksum of text or files with multiple polynomial variants (ECMA-182, ISO, XZ). Get results in hexadecimal, decimal, and binary formats for data integrity verification.
FNV-1a Hash Generator - Generate FNV-1a hash values with support for 32-bit to 1024-bit variants. Fast, non-cryptographic hash function ideal for hash tables, checksums, and data fingerprinting.
MD5 Hash Generator - Generate MD5 hash from text or files instantly. Supports multiple output formats including hex and Base64. Verify hashes and check file integrity online.
MurmurHash3 Generator - Generate MurmurHash3 hash values for any text. Get 32-bit and 128-bit hashes in decimal, hexadecimal, and binary formats with customizable seed values.
RIPEMD-160 Hash Generator - Generate RIPEMD-160 cryptographic hash from text or file input. Features multiple output formats, hash verification, and one-click copy. Used in Bitcoin addresses and data integrity verification.
SHA1 Hash Generator - Generate SHA1 hash online with real-time preview, file upload, and hash comparison. Calculate 160-bit cryptographic fingerprints instantly.
SHA224 Hash Generator - Generate SHA224 hash from text instantly. Free online SHA-224 hash calculator with multiple input/output formats, hash comparison, and detailed hash analysis.
SHA256 Hash Generator - Generate SHA256 cryptographic hashes from text or files with visual hash analysis, character distribution charts, and interactive security insights. Featured
SHA384 Hash Generator - Generate SHA384 cryptographic hashes from text with multiple output formats, hash comparison, and instant copy. Free online SHA-384 hash calculator for data integrity verification.
SHA3-256 Hash Generator - Generate SHA3-256 hashes instantly. The latest NIST-approved cryptographic hash function with 256-bit security. Perfect for data integrity, digital signatures, and secure checksums. Featured
SHA3-384 Hash Generator - Generate SHA3-384 cryptographic hashes instantly. Supports text and file input, uppercase/lowercase output, real-time hash preview, and copy functionality. Part of the SHA-3 Keccak family.
SHA3-512 Hash Generator - Generate SHA3-512 cryptographic hashes for text and files with visual fingerprint, multiple output formats, hash comparison, and comprehensive security analysis.
SHA512 Hash Generator - Generate SHA-512 hash from any text or string. Features visual hash representation, multiple output formats, and hash comparison. Featured
Whirlpool Hash Generator - Generate secure Whirlpool hashes from text or file input. This ISO/IEC standardized 512-bit cryptographic hash function provides robust security for data integrity, password storage, and digital signatures.
Health and Fitness
Fertility Calculators
Conception Date Calculator - Calculate your estimated conception date, fertile window, and due date based on your last menstrual period. Get a detailed pregnancy timeline with week-by-week milestones and ovulation tracking.
Fertility Calculator - Calculate your most fertile days, predict ovulation dates, and track your menstrual cycle with our comprehensive fertility calculator. Get personalized fertility windows and estimated due dates.
Menstrual Cycle Calculator - Predict your future menstrual cycles, track fertility windows, and estimate ovulation dates with our comprehensive cycle calculator featuring visual phase timelines.
Menstrual Cycle Length Calculator - Calculate your menstrual cycle length, predict your next period, estimate fertile window and ovulation day based on your last two period start dates.
Ovulation Calculator - Free ovulation calculator and fertility calendar to find your most fertile days, predict ovulation date, and estimate due date if pregnant. Plan conception with visual cycle tracking.
Ovulation Calendar - Create your personal ovulation calendar to track fertile days, predict ovulation, and plan pregnancy with our beautiful visual fertility tracker.
Ovulation Predictor - Predict your ovulation date and most fertile days with a visual fertility calendar, cycle phase breakdown, and 6-cycle forecast based on your menstrual cycle data.
Fitness Calculators
Bench Press Calculator - Calculate your one-rep maximum (1RM) for bench press using Brzycki, Epley, or Lander formulas. Get personalized training zones, percentage charts, and strength level assessment.
BMR Calculator - Calculate your BMR (basal metabolic rate) and daily calorie needs with the Mifflin-St Jeor and Harris-Benedict equations. Includes TDEE, activity-level breakdown, macronutrient estimates, and step-by-step formula walkthrough.
Body Fat Percentage Calculator - Calculate your body fat percentage using the US Navy Method with visual body composition breakdown, fitness category assessment, and personalized health recommendations.
Calorie Burned Calculator - Calculate calories burned during 50+ activities with MET values, personalized insights, food equivalents, and interactive visualization. Supports metric and imperial units.
Calorie Deficit Calculator - Calculate your personalized calorie deficit, TDEE, and BMR to create an effective weight loss plan with meal suggestions and progress tracking.
Max Heart Rate Calculator - Calculate your maximum heart rate using 6 scientifically-validated formulas including Tanaka, Gulati, and traditional methods. Get personalized training zones for optimal workout intensity.
One Rep Max (1RM) Calculator - Calculate your one-rep maximum (1RM) using 7 scientific formulas. Get training zone percentages, warm-up sets, and visualize your strength potential for any exercise. Featured
Running Pace Calculator - Calculate your running pace, finish time, or distance. Features pace zone classification, speed conversion, projected race times, and training tips for 5K, 10K, Half Marathon, Marathon, and Ultra distances.
Target Heart Rate Calculator - Calculate your target heart rate zones using the Karvonen method. Find your optimal training zones for fat burning, cardio, and peak performance with personalized heart rate targets.
TDEE Calculator - Calculate your TDEE, BMR, BMI with multiple formulas (Mifflin-St Jeor, Harris-Benedict, Katch-McArdle). Get personalized macro recommendations and visualize your calorie breakdown.
VO2 Max Calculator - Calculate your VO2 Max using the Cooper 12-minute run test. Get personalized fitness assessment, training recommendations, and compare your cardiovascular fitness to age and gender norms.
Health Calculators
Blood Donation Time Calculator - Calculate your next eligible blood donation date based on donation type. Track whole blood, plasma, platelet, and double red cell donations with personalized countdown and eligibility guidelines. Featured
Blood Sugar Converter - Convert blood sugar levels between mg/dL (US) and mmol/L (UK/International) with instant results, diabetes risk assessment, visual range indicators, and comprehensive glucose reference charts.
Caffeine Overdose Calculator - Calculate your safe daily caffeine limit based on body weight, then see the equivalent in espresso shots, cups of coffee, energy drinks (Monster, Red Bull), tea, and more. Includes animated drink visualizations and a danger zone meter. New
How Much Water to Drink A Day? - Calculate your personalized daily water intake based on weight, activity level, climate, and health factors. Get a visual hydration plan with hourly schedule and tips.
How Much Weight Should I Lose? - Find out how much weight you should lose based on BMI analysis, get a safe weight loss timeline, calorie deficit plan, and personalized milestones to reach your healthy weight range.
Macro Calculator - Calculate Your Daily Macros for Any Goal - Calculate your optimal daily macronutrient needs with our advanced macro calculator. Get personalized protein, carbs, and fat targets based on your body, activity level, and fitness goals.
Sleep Calculator - Calculate optimal sleep and wake times based on 90-minute sleep cycles. Get personalized recommendations for your age group and track sleep debt.
Water Intake Calculator - Calculate your personalized daily water intake based on body weight, activity level, and climate. Get a visual glass tracker and hourly drinking schedule.
Health Indicator Calculators
Am I Overweight? - Calculate your BMI (Body Mass Index) to find out if you are underweight, normal weight, overweight, or obese. Get personalized health insights, ideal weight range, and step-by-step calculation.
Am I Underweight? - Find out if you are underweight based on BMI calculation with visual health indicators, personalized insights, and actionable recommendations.
BMI Calculator - Calculate your BMI (Body Mass Index) with interactive gauge visualization, health category assessment, BMI Prime, healthy weight range, and step-by-step calculation breakdown.
How Much Should I Weigh? - Calculate your ideal body weight using 5 scientific formulas (Devine, Robinson, Miller, Hamwi, Peterson). Compare results with a visual weight spectrum, BMI analysis, body frame adjustment, and personalized health insights.
Waist to Hip Ratio Calculator - Calculate your waist-to-hip ratio (WHR) to assess body fat distribution, health risks, and body shape type. Get personalized health insights with visual body shape analysis.
What Should I Weigh? - Find out what you should weigh based on your height using BMI guidelines. See your healthy weight range with a visual BMI spectrum, weight zone breakdown, and personalized health insights for adults.
WHtR Calculator - Calculate your waist-to-height ratio (WHtR) to assess body fat distribution and health risks. Includes visual gauge, health zone charts, and body shape indicators.
Medical Calculators
ANC Calculator - Calculate the Absolute Neutrophil Count (ANC) from CBC lab values with visual gauge, NCI toxicity grading, step-by-step calculation breakdown, and clinical interpretation for neutropenia assessment.
BSA Calculator - Calculate body surface area (BSA) using 5 medical formulas including Du Bois, Mosteller, Haycock, Gehan-George, and Boyd. Features step-by-step calculations, formula comparison, and drug dosing applications.
BUN to Creatinine Ratio Calculator - Calculate your BUN to creatinine ratio with instant clinical interpretation, visual kidney health indicators, and comprehensive analysis of what your results mean for kidney function.
FENa Calculator - Calculate the Fractional Excretion of Sodium (FENa) with step-by-step formula breakdown, clinical interpretation, and visual diagnosis guide for acute kidney injury assessment.
HbA1c Calculator - Calculate and convert between HbA1c percentage and average blood glucose levels in mg/dL or mmol/L. Essential tool for diabetes management and monitoring.
Pregnancy Calculators
Due Date Calculator - Calculate your pregnancy due date based on last menstrual period or conception date. Get a complete pregnancy timeline with trimester milestones, week-by-week development, and important dates.
How Many Weeks Pregnant Am I? - Calculate how many weeks pregnant you are based on your due date, last menstrual period (LMP), or conception date. Includes trimester progress, baby size comparison, and weekly milestones.
Pregnancy Calendar - Create your personalized pregnancy calendar with week-by-week development milestones, trimester breakdown, baby size comparisons, key appointment reminders, and due date countdown.
Math
Advanced Math Operations
Antilog Calculator - Calculate the antilogarithm (antilog) of any number with any base. Features step-by-step calculation, interactive visualization, base comparison chart, and comprehensive explanations of logarithmic functions. Featured
Beta Function Calculator - Calculate the beta function B(x, y) with step-by-step calculations, gamma function relationship, interactive visualization, and detailed mathematical explanations.
Binomial Coefficient Calculator - Calculate binomial coefficients C(n, k) with step-by-step solutions, Pascal's triangle visualization, and real-world probability applications.
Binomial Probability Distribution Calculator - Calculate binomial probabilities P(X=k), cumulative probabilities P(X≤k), P(X≥k), with interactive PMF/CDF charts, step-by-step solutions, and complete distribution tables.
Bitwise Calculator - Perform bitwise operations (AND, OR, XOR, NOT) and bit shift operations on integers with interactive visual bit diagrams showing each bit position. Featured
Central Limit Theorem Calculator - Calculate probabilities using the Central Limit Theorem (CLT) with interactive visualizations, step-by-step solutions, and Z-score calculations for sample means.
Combination Calculator - Calculate combinations C(n,k) with step-by-step solutions, Pascal's Triangle visualization, interactive diagrams, and detailed formula breakdowns for combinatorics problems.
Complementary Error Function Calculator - Calculate the complementary error function erfc(x) with interactive visualization, step-by-step solution, and comprehensive erfc table for values from -3 to 3.
Complex Number Calculator - Perform operations with complex numbers: add, subtract, multiply, divide, convert forms, calculate modulus, argument, conjugate, powers and roots with detailed step-by-step solutions and interactive complex plane visualization.
Entropy Calculator - Calculate Shannon entropy of probability distributions with step-by-step formulas, interactive visualizations, entropy classification, and educational insights for information theory analysis. New
Error Function Calculator - Calculate the error function erf(x), complementary error function erfc(x), and inverse error function with interactive Gaussian curve visualization, step-by-step explanations, and comprehensive analysis for statistics and probability.
Exponential Decay Calculator - Calculate exponential decay with interactive visualizations, half-life computation, decay constant, and step-by-step solutions. Solve for initial amount, final amount, decay rate, or time. Featured
Exponential Growth Calculator - Calculate exponential growth and decay with step-by-step solutions, interactive growth curve visualization, and high-precision results for population, investment, and scientific modeling.
Exponential Integral Calculator - Calculate the exponential integral Ei(x) with high precision, interactive visualization, and detailed step-by-step mathematical derivation.
Exponents Calculator - Calculate exponents (powers) with high precision. Supports fractional exponents, negative exponents, and provides detailed step-by-step solutions with visual explanations and exponent rule demonstrations.
Factorial Calculator - Calculate the factorial of any non-negative integer (n!) with step-by-step expansion, scientific notation for large numbers, digit count analysis, and factorial growth visualization. Supports values up to 1 million.
Gamma Function Calculator - Calculate the Gamma function with step-by-step solutions, interactive graphs, and factorial comparison tables. Supports both positive and negative real numbers.
Golden Ratio Calculator - Calculate golden ratio proportions from any number. Generate phi-based sequences, find complementary segments, golden rectangle dimensions, and explore the divine proportion with step-by-step calculations and visualizations.
Half Life Calculator - Calculate half-life, initial quantity, remaining quantity, or elapsed time in exponential decay with interactive decay curve visualization, step-by-step formulas, and preset isotope values.
Percent Growth Rate Calculator - Calculate percent growth rate with multiple methods: simple growth, compound annual growth rate (CAGR), and average growth rate. Features interactive visualizations, year-by-year analysis, and detailed step-by-step calculations. Featured
Permutation Calculator - Calculate permutations P(n,r) with step-by-step solutions, visual explanations, formula breakdown, and practical examples. Find how many ways to arrange r items from n total items where order matters.
Poisson Distribution Calculator - Calculate Poisson probabilities P(X=k), cumulative probabilities, and visualize PMF/CDF distributions with detailed step-by-step solutions. New
Polynomial Roots Calculator - Calculate the roots of polynomial equations up to degree 4 with detailed step-by-step solutions, interactive graph visualization, and root analysis. Supports linear, quadratic, cubic, and quartic equations.
Probability Calculator - Calculate probabilities of events using addition rule, conditional probability, and Bayes' theorem with interactive Venn diagrams and step-by-step solutions.
Probability Distribution Calculator - Calculate probabilities, cumulative distributions (CDF), and quantiles for Normal, Binomial, Poisson, Exponential, Uniform, Chi-Square, and Student's t distributions with step-by-step solutions and interactive visualizations.
Proportion Calculator - Solve proportion problems and find missing values with detailed step-by-step solutions, interactive visual diagrams, and comprehensive explanations of proportion relationships.
Quadratic Formula Calculator - Solve quadratic equations using the quadratic formula with step-by-step solutions, discriminant analysis, vertex form conversion, and interactive parabola visualization.
Scientific Notation Calculator - Convert numbers to scientific notation, perform arithmetic operations (+, -, ×, ÷), compare values, and visualize results with step-by-step explanations and interactive diagrams.
Sum of Cubes Calculator - Calculate the sum of consecutive cubes from n₁³ to n₂³ with step-by-step formula breakdown, visual cube representation, and mathematical analysis. Perfect for algebra, calculus, and number theory studies.
Sum of Positive Integers Calculator - Calculate the sum of consecutive positive integers using the elegant Gauss summation formula. Features step-by-step calculation breakdown, visual pairing diagrams, and educational insights into arithmetic sequences. Featured
Sum of Squares Calculator - Calculate the sum of consecutive square numbers (1² + 2² + ... + n²) with step-by-step formulas, interactive charts, and visual geometric representations.
Algebra Calculators
Absolute Value Equation Solver - Solve equations involving absolute values step by step. Shows both positive and negative cases with detailed explanations and verification. New
Absolute Value Inequality Solver - Solve inequalities involving absolute values (e.g., |x+a| < b, |x-2| > 3). Understand 'and' vs 'or' conditions with detailed step-by-step solutions. New
Algebraic Expression Simplifier - Simplify complex algebraic expressions by combining like terms, applying the distributive property, and reducing fractions. Features step-by-step solutions, multiple simplification modes, and detailed explanations. New
Domain and Range Calculator - Determine the domain (possible inputs) and range (possible outputs) of algebraic functions with step-by-step analysis and interval notation. New
Expand Polynomials Calculator - Multiply and expand polynomials (binomials, trinomials, and higher-degree expressions) using FOIL method and Binomial Theorem. Get step-by-step solutions with detailed explanations. New
Function Composition Calculator - Calculate the composition of two functions (f ∘ g)(x) and (g ∘ f)(x) with detailed step-by-step instructions showing how to compose functions algebraically. New
Function Grapher - Visualize algebraic functions on an interactive coordinate system. Plot multiple equations, identify key features like intercepts, asymptotes, and analyze function behavior. New
Inequality Solver - Solve linear, quadratic, polynomial, and rational inequalities with step-by-step solutions. Display results graphically on a number line and in interval notation. New
Inverse Function Calculator - Calculate the inverse function f^(-1)(x) of a given function f(x) with detailed step-by-step instructions showing how to find the inverse algebraically. New
Linear Equation Solver - Solve single-variable linear equations (e.g., ax + b = c) with detailed step-by-step solutions. Shows all algebraic manipulations and verifies the answer. New
Polynomial Factoring Calculator - Factor polynomials using various methods including GCF, difference of squares, perfect square trinomials, sum/difference of cubes, and quadratic trinomials. Features step-by-step solutions, automatic pattern recognition, and verification. New
Polynomial Long Division Calculator - Divide one polynomial by another using long division. Shows the complete step-by-step process, quotient, and remainder with detailed explanations. New
Radical Equation Solver - Solve equations containing radicals (square roots, cube roots, etc.) with step-by-step solutions. Automatically checks for extraneous solutions to ensure accuracy. New
Radical Simplifier - Simplify square roots and higher-order radicals into their simplest radical form (e.g., sqrt(50) becomes 5*sqrt(2)), including rationalizing the denominator. Features step-by-step solutions with prime factorization and detailed explanations. New
Rational Expression Calculator - Simplify, add, subtract, multiply, or divide rational expressions (fractions involving polynomials). Features step-by-step solutions, factoring visualization, domain analysis, and detailed explanations. New
Synthetic Division Calculator - Divide polynomials by linear binomials (x - a) using the streamlined synthetic division method. Shows step-by-step process with coefficients and remainder. New
System of Inequalities Grapher - Visualize the feasible region (solution set) for a system of two or more linear inequalities. Graph each inequality on a coordinate plane and identify the intersection region. New
System of Linear Equations Solver - Solve systems of linear equations (2x2, 3x3, or larger) using Gaussian elimination, Cramer's Rule, or matrix methods. Features detailed step-by-step solutions and multiple solution approaches. New
Vertex and Axis of Symmetry Calculator - Calculate the vertex (maximum or minimum point) and the axis of symmetry for any quadratic function (parabola) with detailed step-by-step solutions. New
X and Y Intercept Calculator - Calculate the x-intercept (where the graph crosses the x-axis) and y-intercept (where the graph crosses the y-axis) of any equation with detailed step-by-step solutions. New
Area Calculators
Area of a Circle Calculator - Calculate the area of a circle from radius, diameter, or circumference. Get instant results with step-by-step calculations, interactive diagrams, and comprehensive circle metrics.
Area of a Parallelogram Calculator - Calculate the area of a parallelogram using three methods: base and height, two sides with included angle, or diagonals with intersection angle. Get step-by-step calculations with formulas.
Area of A Sector Calculator - Calculate the area of a sector of a circle with interactive SVG diagram, step-by-step calculation, arc length, and comprehensive sector formulas using radius and central angle.
Area of a Trapezoid Calculator - Calculate the area of a trapezoid instantly with our interactive calculator. Features a dynamic visual diagram, step-by-step formula breakdown, and support for various unit systems.
Area of An Ellipse Calculator - Calculate ellipse area instantly with our free tool. Get area, perimeter (Ramanujan formula), eccentricity, and interactive visualization. Perfect for geometry, engineering, and design calculations.
Area of Equilateral Triangle Calculator - Calculate the area of an equilateral triangle from side length, height, or perimeter. Includes step-by-step formulas, interactive triangle diagram, and complete property calculations.
Surface Area Calculator - Calculate the surface area of 8 geometric shapes including sphere, cylinder, cone, cuboid, rectangular prism, triangular prism, square pyramid, and tetrahedron with detailed step-by-step solutions and interactive diagrams.
Surface Area of a Cone Calculator - Calculate the surface area of a cone instantly with our free calculator. Get lateral surface area, base area, and total surface area with step-by-step formulas and interactive visual diagram.
Surface Area of a Cube Calculator - Calculate the total surface area of a cube with step-by-step solutions. Find surface area from edge length, space diagonal, face diagonal, or volume with interactive 3D visualization and comprehensive measurements.
Surface Area of a Cylinder Calculator - Calculate the total, lateral, and base surface area of a cylinder with high precision, interactive 3D visualization, step-by-step formula breakdown, and area distribution analysis.
Surface Area of a Rectangular Prism Calculator - Calculate the surface area of a rectangular prism (cuboid/box) with interactive 3D visualization, step-by-step formulas, face-by-face breakdown, and high-precision results.
Surface Area of Sphere Calculator - Calculate the surface area of a sphere from radius or diameter with step-by-step formula breakdown, interactive visualization, and unit conversions. Perfect for geometry, engineering, and science.
Basic Math Operations
Common Factor Calculator - Find common factors of two or more numbers with interactive Venn diagram, step-by-step explanations, GCF calculation, and multiple solving methods including prime factorization.
Cube and Cube Root Calculator - Calculate the cube (n³) and cube root (∛n) of any number with step-by-step solutions, perfect cube detection, and interactive visualizations.
Cube Root Calculator - Calculate the cube root of any number with precision up to 1000 decimal places. Features interactive 3D cube visualization, root comparison chart, perfect cube finder, step-by-step solution, and practical volume-to-side converter.
Divide Into Two Parts - Divide any number into two parts based on ratios or fractions. Interactive visual balance shows proportional splits with step-by-step calculations and downloadable results.
Divisibility Test Calculator - Test if a number is divisible by another number. Check multiple divisors at once, learn divisibility rules for 2-12, see step-by-step calculations, and explore prime factorization.
Factor Calculator - Calculate all factors of a number with factor pairs visualization, interactive factor tree diagram, prime factorization, and comprehensive number analysis including perfect square detection.
Find Minimum and Maximum - Find the minimum and maximum values in any number set with visual data distribution, sorted rankings, statistical analysis, and position indicators for comprehensive data exploration.
First n Digits of e - Generate and analyze the first n digits (up to 1000) of e (Euler's number) with comprehensive digit frequency analysis, pattern exploration, and interactive visualizations. Featured
First n Digits of Pi - Generate and analyze the first n digits (up to 10,000) of Pi (π) with comprehensive digit frequency analysis, pattern exploration, interactive visualizations, and unique Pi-themed insights. Featured
Greatest Common Factor Calculator - Calculate the greatest common factor (GCF) of two or more numbers with step-by-step solutions using multiple methods.
Is it a Prime Number? - Check if a number is prime with detailed analysis, factorization, and visual number line representation.
Least Common Multiple Calculator - Calculate the least common multiple (LCM) of two or more numbers with interactive prime factorization visualization, step-by-step solutions, and multiple calculation methods explained.
Modulo Calculator - Calculate modulo (remainder) with step-by-step division process, interactive visual diagrams, and support for integers, decimals, negative numbers, and scientific notation. Featured
Multiplication Calculator - Free online multiplication calculator that multiplies any numbers instantly with detailed step-by-step solutions, visual factor breakdown, and comprehensive result analysis including sign rules and magnitude insights.
n-th Root Calculator - Calculate the n-th root of any number with high precision up to 1000 decimal places. Features step-by-step solutions, visual diagrams, and mathematical notation in both radical and exponential forms.
Number of Digits Calculator - Calculate the number of digits in any integer, analyze digit distribution, and visualize the breakdown of each position value (ones, tens, hundreds, etc.). Featured
Prime Factor Calculator - Calculate the prime factors of any number with step-by-step factorization, interactive factor tree visualization, prime factorization in exponential form, and detailed mathematical analysis.
Prime Factorization Calculator - Calculate the prime factorization of any positive integer instantly. Get step-by-step breakdown, factor tree visualization, and complete analysis of prime factors.
Quotient and Remainder Calculator - Calculate quotient and remainder with interactive visual representations, step-by-step explanations, and comprehensive division insights. Featured
Sort Numbers - Sort numbers in ascending or descending order with comprehensive statistics, visual distribution charts, and detailed analysis. Handles decimals, negatives, and thousands separators. Featured
Square Root (√) Calculator - Calculate the square root of any number with high precision up to 1000 decimals. Features step-by-step explanations, geometric visualizations, and Newton's method demonstration. Featured
Sum Calculator - High-Precision Number Adder Online Featured
Calculus
Convolution Calculator - Calculate linear, circular, and continuous convolution of signals and functions with interactive visualizations, detailed step-by-step solutions, and comprehensive mathematical analysis. Featured
Derivative Calculator - Calculate derivatives instantly with step-by-step solutions. Supports single-variable, partial, implicit, and directional derivatives with interactive visualizations.
Directional Derivative Calculator - Calculate directional derivatives of multivariable functions with step-by-step solutions, gradient computation, unit vector normalization, and interactive 3D surface visualization.
Double Integral Calculator - Compute double integrals with detailed step-by-step solutions and 3D surface visualization. Supports definite and indefinite integrals with polynomial, trigonometric, exponential, and hyperbolic functions.
Implicit Derivative Calculator - Compute derivatives of implicit functions F(x,y)=0 with detailed step-by-step solutions. Supports polynomials, trigonometric, exponential, and logarithmic functions up to 5th order derivatives.
Integral Calculator - Calculate definite and indefinite integrals with detailed step-by-step solutions, interactive function visualization, and comprehensive explanations for calculus students and professionals.
Inverse Laplace Transform Calculator - Compute the inverse Laplace transform of F(s) to find f(t). Get step-by-step solutions, visualizations, and understand the transformation from frequency domain to time domain.
Laplace Transform Calculator - Compute Laplace transforms instantly with detailed step-by-step solutions, interactive function presets, and dual visualization of time-domain and frequency-domain functions.
Limit Calculator - Calculate limits of mathematical functions with detailed step-by-step solutions. Supports one-sided limits, indeterminate forms, and L'Hospital's Rule.
Partial Derivative Calculator - Compute partial derivatives of multivariable functions with detailed step-by-step solutions, interactive examples, and geometric visualization of tangent planes.
Single Variable Derivative Calculator - Compute derivatives of any single-variable function with step-by-step solutions, differentiation rule identification, interactive graph, and critical point analysis.
Taylor Series Calculator - Calculate the Taylor series expansion of any function around a point with step-by-step derivative calculations, interactive comparison graph, and educational explanations.
Triple Integral Calculator - Compute triple integrals with detailed step-by-step solutions and 3D visualization. Supports definite and indefinite integrals with symbolic computation.
Fraction Calculators
Comparing Fractions Calculator - Compare two fractions with step-by-step explanations, visual pie charts, and interactive diagrams to see which fraction is larger or smaller.
Decimal to Fraction Calculator - Convert any decimal number to a fraction with step-by-step visual explanation, multiple output formats, and interactive fraction visualization.
Equivalent Fractions Calculator - Generate equivalent fractions with visual fraction bars, number line diagrams, and pattern highlighting. Check if two fractions are equivalent or find up to 100 equivalent fractions instantly.
Fraction Calculator - Perform fraction arithmetic with our interactive calculator. Get step-by-step solutions, visual diagrams, and results in multiple formats including mixed numbers and decimals.
Fraction Simplifier - Simplify any fraction to lowest terms with interactive bar diagrams, step-by-step prime factorization, and animated GCF visualization. Perfect for students learning fraction reduction.
Fraction to Decimal Calculator - Convert any fraction to its decimal equivalent with interactive long division visualization, repeating decimal detection, and step-by-step explanations. Perfect for students and educators.
Fraction to Mixed Number Converter - Convert any improper fraction to a mixed number instantly with animated visual diagrams, step-by-step division breakdown, and educational explanations. Perfect for students, teachers, and anyone learning fractions.
Fraction to Percent Converter - Convert fractions to percentages instantly with visual pie charts, animated progress bars, step-by-step solutions, and support for mixed numbers. Perfect for students, teachers, and professionals.
Mixed Number to Fraction Converter - Convert any mixed number to an improper fraction instantly with animated visual diagrams, step-by-step breakdown, and educational explanations. Perfect for students learning fractions.
Reduce Fractions Calculator - Simplify any fraction to its lowest terms with interactive visual diagrams, step-by-step prime factorization, and animated GCF calculation. Perfect for students and educators.
Geometry Calculators
Arc Length Calculator - Calculate arc length, radius, or central angle of a circle sector with interactive diagram, step-by-step solution, and support for degrees and radians.
Cartesian to Polar Coordinates Converter - Convert Cartesian coordinates (x, y) to polar coordinates (r, θ) with adjustable precision from 1 to 1000 decimal places. Features step-by-step solutions, interactive coordinate plane visualization, quadrant analysis, and verification. New
Circle Calculator - Calculate radius, diameter, circumference, and area of a circle from any single value. Includes arc length, sector area, chord length, and segment area calculations with step-by-step solutions and interactive diagram.
Distance Between Two Points Calculator - Calculate the Euclidean distance between two points in a 2D coordinate plane with step-by-step formulas, interactive visualization, midpoint, slope, and line equation calculations.
Ellipse Circumference Calculator - Calculate the circumference (perimeter) of an ellipse using multiple approximation formulas including Ramanujan, exact series, and visualize results with an interactive SVG diagram.
General Triangle Solver - The ultimate tool to solve any triangle. Input three known values (e.g., SSS, SAS, ASA, AAS) and automatically calculate all missing sides, angles, area, and perimeter using the law of sines, law of cosines, and Heron's formula. New
Golden Rectangle Calculator - Calculate golden rectangle dimensions from any side length. Visualize the golden ratio (φ ≈ 1.618) with interactive diagrams showing interior and outer rectangles, plus step-by-step formulas.
Golden Section Calculator - Calculate the missing values to complete the golden section. Enter any value (a+b, a, or b) to find the golden ratio proportions with step-by-step explanation and visual diagram.
Hypotenuse Calculator - Calculate the hypotenuse of a right triangle using the Pythagorean theorem. Get instant results with visual diagrams, step-by-step solutions, angles, area, and perimeter. Featured
Midpoint Calculator - Calculate the midpoint between two points instantly with interactive visualization, step-by-step solution, distance calculation, and comprehensive geometry analysis.
Polar to Cartesian Converter - Convert polar coordinates (r, θ) to Cartesian coordinates (x, y) with up to 1000 decimal places precision. Features interactive visualization, step-by-step solutions, quadrant detection, and verification. New
Pythagorean Theorem Calculator - Calculate the missing side of any right triangle using a² + b² = c². Get step-by-step solutions, interactive triangle visualization, area, perimeter, and angle calculations.
Rectangle Calculator - Calculate rectangle area, perimeter, diagonal, inscribed circle, circumscribed circle, and aspect ratio from any two known values. Includes interactive SVG diagram and step-by-step solutions.
Slope Calculator - Calculate slope, gradient, angle, and line equation from two coordinate points. Features interactive graph visualization, step-by-step solutions, and multiple output formats.
Slope Intercept Form Calculator - Calculate slope intercept form (y=mx+b) from two points, point and slope, or standard form. Get step-by-step solution with interactive graph visualization.
Square Calculator - Calculate all properties of a square instantly. Enter side length, area, perimeter, or diagonal to find all other measurements with step-by-step formulas and interactive visualization.
Linear Algebra
Determinant Calculator - Calculate the determinant of any square matrix with detailed step-by-step cofactor expansion, matrix properties analysis, and visual solutions.
Eigenvalue and Eigenvector Calculator - Calculate eigenvalues and eigenvectors of 2x2 and 3x3 matrices with detailed step-by-step solutions, characteristic polynomial derivation, interactive visualization, and matrix property analysis.
Matrix Calculator - Calculate matrix operations with step-by-step solutions: addition, subtraction, multiplication, inverse, transpose, and determinant. Visual matrix display with detailed explanations.
Partial Fraction Decomposition Calculator - Decompose rational functions into partial fractions with detailed step-by-step solutions, coefficient analysis, and visual decomposition breakdown.
Vector Calculator - Free online vector calculator with step-by-step solutions. Calculate dot product, cross product, magnitude, unit vector, angle between vectors, projection, and more with interactive 3D visualization.
Logarithm Calculators
Log Base 10 Calculator - Calculate the common logarithm (log base 10) of any positive number with detailed step-by-step solutions, interactive graphs, and real-world applications including pH scale, decibels, and Richter scale. Featured
Log Base 2 Calculator - Calculate the binary logarithm (log base 2) of any positive number with detailed step-by-step explanations, visual representations, and comprehensive insights into logarithmic properties. Featured
Log (Logarithm) Calculator - Calculate logarithm for any base with step-by-step solutions, interactive visualization, and conversion between common log types (natural log, log base 10, log base 2).
Natural Log Calculator - Calculate the natural logarithm ln(x) of any positive number with step-by-step derivation, interactive visualization, logarithm properties, related calculations, and mathematical insights.
Number System Converters
Base Converter - Convert integers between any number bases from binary (base-2) to base-36 with multi-base preview, step-by-step conversion breakdown, and digit position analysis.
Base-N Calculator - Convert integers between any number bases from 2 to 36 with step-by-step calculation breakdown and digit position analysis.
Binary Calculator - Perform binary arithmetic (add, subtract, multiply, divide) and bitwise operations (AND, OR, XOR, NOT, shifts). Interactive step-by-step solutions with multi-base results in binary, decimal, and hexadecimal.
Binary Converter - Convert binary numbers to decimal, hexadecimal, octal, and any base (2-36). Get instant results with visual bit diagrams, step-by-step explanations, and grouped formatting for easy reading.
Binary to Decimal Converter - Convert binary (base-2) numbers to decimal (base-10) with an interactive bit-by-bit breakdown showing how each digit contributes to the final value through powers of 2.
Binary to Hex Converter - Convert binary (base-2) numbers to hexadecimal (base-16) with visual bit grouping, step-by-step conversion process, interactive diagrams, and comprehensive number system education.
Binary to Octal Converter - Convert binary numbers to octal with interactive visualization showing bit grouping, step-by-step conversion process, and comprehensive number system education.
Decimal to Binary Converter - Convert decimal (base-10) numbers to binary (base-2) instantly. Get step-by-step division method breakdown, visual bit diagrams, grouped binary output, and multi-base conversions including octal and hexadecimal.
Decimal to Hex Converter - Convert decimal (base-10) numbers to hexadecimal (base-16) with interactive visualization, step-by-step conversion process, and detailed explanations for programming and digital electronics. Featured
Decimal to Octal Converter - Convert decimal (Base-10) numbers to octal (Base-8) instantly with visual step-by-step division method, binary-octal grouping, bit pattern visualization, and comprehensive number system education.
Decimal to Percent Converter - Convert decimal numbers to percentages with visual representation, step-by-step calculation, batch conversion support, and precision control. Perfect for math, finance, and data analysis.
Decimal to Scientific Notation Converter - Convert any decimal number to scientific notation with step-by-step visualization, multiple output formats including E-notation and engineering notation, and interactive examples for learning.
Degree to Radian Converter - Convert degrees to radians instantly with interactive unit circle visualization, step-by-step formulas, common angle references, and bidirectional conversion support.
HEX Calculator - Perform hexadecimal addition, subtraction, multiplication, division, and bitwise operations (AND, OR, XOR, NOT, shifts). Get step-by-step solutions with multi-base results in hex, decimal, and binary.
HEX Converter - Convert hexadecimal numbers to decimal, binary, octal, and any base from 2 to 36. Get instant multi-format results with visual digit breakdown and step-by-step conversion process.
Hex to Binary Converter - Convert hexadecimal (Base-16) numbers to binary (Base-2) with visual digit mapping, step-by-step conversion breakdown, and one-click copy.
Hex to Decimal Converter - Convert hexadecimal (base-16) numbers to decimal (base-10) instantly. See step-by-step conversion process, positional notation breakdown, and results in multiple bases. Featured
Hex to Octal Converter - Convert hexadecimal (base-16) numbers to octal (base-8) instantly. Get step-by-step conversion breakdown, visual diagrams, and multi-base results including decimal and binary.
Octal Calculator - Perform addition, subtraction, multiplication, and division on octal (base-8) numbers with step-by-step visual explanations and instant decimal conversions. Featured
Octal Converter - Convert octal (base-8) numbers to binary, decimal, hexadecimal, and any base from 2 to 36 instantly. Free online octal number system converter with step-by-step conversion explanations.
Octal to Binary Converter - Convert octal (base-8) numbers to binary (base-2) instantly with visual step-by-step conversion showing each digit mapping, interactive reference table, and educational breakdown.
Octal to Decimal Converter - Convert octal (base-8) numbers to decimal (base-10) with visual digit-by-digit breakdown, step-by-step calculations, and educational explanations.
Octal to Hex Converter - Free online tool to convert octal numbers to hexadecimal with step-by-step calculation, binary representation, and digit breakdown visualization.
Percent to Decimal Converter - Convert percent to decimal instantly with step-by-step calculation, visual diagram, batch conversion for multiple values, and interactive examples. Free online percentage to decimal converter.
Radian to Degree Converter - Convert radians to degrees instantly with interactive unit circle diagram, step-by-step calculation, common angle reference, DMS output, and batch conversion. Free online angle converter for math, physics, and engineering.
Ratio to Percentage Calculator - Convert any ratio to percentage with step-by-step solution, visual pie chart representation, and support for multiple ratio formats including fractions and decimals. Featured
Roman Numerals Converter - Convert Roman numerals to Arabic numbers and vice versa with detailed visual explanations. Understand the meaning of Roman numeral dates and sequences like "X XXIII XVII" with our interactive step-by-step converter. Featured
Scientific Notation to Decimal Converter - Convert numbers from scientific notation (exponential form) to ordinary decimal notation with step-by-step explanation and visual decimal point movement. Featured
Percentage
Percentage Calculator - Free online percentage calculator with 6 calculation modes: find percentages, calculate percentage of a number, percentage change, difference, increase, and decrease. Features visual charts, step-by-step solutions, and instant results.
Percentage Change Calculator - Calculate percentage change between two values with step-by-step breakdown, visual comparison charts, and detailed analysis. Find percentage increase, decrease, or difference instantly.
Percentage Decrease Calculator - Calculate the percentage decrease between two values with step-by-step solutions, interactive SVG diagrams, and multiple calculation modes including reverse calculations.
Percentage Error Calculator - Calculate percentage error between estimated and actual values with step-by-step formula breakdown, visual comparison chart, error interpretation, and detailed analysis.
Percentage Increase Calculator - Calculate percentage increase from one number to another with step-by-step solution, visual comparison charts, and instant verification. Perfect for business analytics, academic calculations, and financial analysis.
Sequence Tools
Arithmetic Sequence Calculator - Calculate the nth term and sum of arithmetic sequences with step-by-step solutions, interactive visualizations, and high-precision results up to 1000 decimal places.
Cube Numbers List - Generate and explore cube numbers with interactive visualizations, 3D cube diagrams, step-by-step calculations, and multiple export formats. Perfect for students, teachers, and math enthusiasts. Featured
First n Prime Numbers - Generate and explore the first n prime numbers with interactive visualization, twin prime detection, gap analysis, and distribution charts. A powerful prime number generator for math education, cryptography research, and number theory exploration.
Geometric Sequence Calculator - Calculate the nth term, sum of first n terms, and infinite sum of any geometric sequence with step-by-step solutions and interactive visualization.
List of Fibonacci Numbers - Generate Fibonacci numbers with golden ratio visualization, spiral diagram, and sequence analysis. Create lists of the first N Fibonacci numbers instantly. Featured
List of Prime Numbers - Generate a comprehensive list of prime numbers from 2 to any specified number up to 10,000. Discover the building blocks of mathematics with instant results and detailed statistics. Featured
Square Numbers List - Generate list of square numbers (perfect squares), find squares in a range, or check if a number is a perfect square. Interactive visualization with step-by-step calculations. Featured
Statistics And Data Analysis
ANOVA Calculator - Perform one-way ANOVA test to determine if there are significant differences among group means. Includes complete ANOVA table, effect size (eta-squared, omega-squared), interactive visualizations, and step-by-step hypothesis testing.
Arithmetic Mean Calculator - Calculate the arithmetic mean (average) of a set of numbers with comprehensive statistical analysis including median, mode, range, standard deviation, variance, and interactive data visualization. Featured
Average Calculator - Calculate mean, median, mode, geometric mean, harmonic mean, and weighted average with complete statistical analysis, visualizations, and step-by-step solutions. Featured
Average Deviation Calculator - Calculate the average absolute deviation (AAD) of a dataset from the mean or median. Includes step-by-step calculations, visual distribution chart, and comprehensive statistical analysis. Featured
Box and Whisker Plot Maker - Generate professional box and whisker plots with interactive visualization, comprehensive statistics, quartile analysis, outlier detection, and step-by-step calculations.
Chi-Square Test Calculator - Perform a chi-square test of independence to determine if there is a significant association between two categorical variables. Get chi-square statistic, p-value, expected frequencies, cell contributions, and Cramer's V effect size with step-by-step calculations.
Coefficient of Variation Calculator - Calculate Coefficient of Variation (CV) with step-by-step formulas, visual comparison charts, data quality assessment, and comprehensive statistical analysis for your datasets.
Cohen's d Calculator - Calculate Cohen's d effect size to measure the standardized difference between two group means. Features step-by-step calculations, interactive visualization, effect size interpretation, and support for both raw data and summary statistics.
Compound Growth Calculator - Calculate compound annual growth rate (CAGR), future value, initial value, or time periods with interactive growth charts, detailed breakdowns, and comprehensive analysis for investments and business growth. Featured
Confidence Interval Calculator - Calculate confidence intervals for means and proportions with interactive visualization, t-distribution and z-distribution support, step-by-step calculations, and sample size recommendations.
Confidence Interval for Proportion Calculator - Calculate confidence intervals for population proportions using Wald (normal approximation) or Wilson score methods. Get step-by-step solutions, visual diagrams, margin of error analysis, and practical interpretation guidance. New
Correlation Coefficient Calculator - Calculate Pearson, Spearman, and Kendall correlation coefficients with interactive scatter plot, regression analysis, p-values, and step-by-step calculation breakdown.
Geometric Mean Calculator - Calculate the geometric mean of any dataset with step-by-step formulas, interactive visualization, comparison with arithmetic mean, and comprehensive statistical analysis.
Harmonic Mean Calculator - Calculate the harmonic mean of a data set with step-by-step formulas, comparison with arithmetic and geometric means, interactive visualization, and practical examples for rates, speeds, and financial analysis.
Histogram Maker - Create beautiful histograms online with comprehensive statistical analysis including mean, median, mode, skewness, kurtosis, and distribution shape detection. Supports auto-optimal bin calculation and PNG export.
Interquartile Range Calculator - Calculate the interquartile range (IQR), quartiles Q1, Q2, Q3, five-number summary, and detect outliers with interactive box plot visualization and step-by-step calculations.
Kruskal-Wallis Test Calculator - Perform Kruskal-Wallis H test to compare multiple independent groups. Get step-by-step calculations, rank analysis, effect size, and interactive visualization for non-parametric statistical analysis.
Linear Regression Calculator - Calculate linear regression equation, slope, intercept, R-squared, and make predictions with interactive scatter plot visualization and step-by-step formula breakdown.
Logarithmic Growth Calculator - Calculate logarithmic growth over time using natural log (e), base 10, or base 2. Visualize growth curves, view year-by-year breakdowns, and understand step-by-step calculations.
Mann-Whitney U Test Calculator - Perform the Mann-Whitney U test (Wilcoxon rank-sum test) to compare two independent samples. Get U statistic, p-value, effect size, step-by-step calculations, and interactive visualizations.
Mean Absolute Deviation (MAD) Calculator - Calculate Mean Absolute Deviation with step-by-step formulas, interactive visualization, and comprehensive statistical analysis. Understand data variability with our free MAD calculator.
Mean Calculator - Calculate the arithmetic mean (average) of any dataset with interactive visualization, step-by-step formula breakdown, and comprehensive statistics including sum, median, range, and standard deviation.
Mean Median Mode Calculator - Calculate mean, median, mode and range with step-by-step formulas, interactive visualization, frequency analysis, and comprehensive statistical breakdown for any dataset.
Median Absolute Deviation Calculator - Calculate the median absolute deviation (MAD) of a dataset with step-by-step formulas, interactive visualization, outlier detection, and robustness comparison to standard deviation.
Median Calculator - Calculate the median value of a set of numbers with step-by-step explanations, interactive visualizations, and comprehensive statistical insights. Featured
Midrange Calculator - Calculate the midrange of any dataset with step-by-step visualization showing the midpoint between maximum and minimum values, plus comprehensive statistics including mean, median, and range comparison.
Mode Calculator - Calculate the mode (most frequent values) of a dataset with interactive frequency visualization, step-by-step analysis, and comprehensive statistics.
Outlier Calculator - Identify statistical outliers in your dataset using the IQR (Interquartile Range) method. Calculate Q1, Q3, and detect values that fall outside the normal range with step-by-step calculations. Featured
Population Standard Deviation Calculator - Calculate population standard deviation (σ) with step-by-step calculations, interactive visualization, variance, mean, and data quality assessment for complete population datasets.
Quartile Calculator - Calculate quartiles (Q1, Q2, Q3), interquartile range (IQR), detect outliers, and visualize data distribution with interactive box plots and step-by-step calculations.
Quartile Deviation Calculator - Calculate the quartile deviation (semi-interquartile range) of a dataset with interactive box plot visualization, complete quartile analysis (Q1, Q2, Q3, IQR), outlier detection, and step-by-step calculation breakdown.
Range Calculator - Calculate the range of any dataset instantly with visual spread analysis, step-by-step calculations, quartile breakdown, and interactive data distribution chart.
Relative Standard Deviation Calculator - Calculate relative standard deviation (RSD) and coefficient of variation (%CV) with step-by-step formulas, interactive data visualization, statistical analysis, and data quality assessment. Featured
Root Mean Square Calculator - Calculate root mean square (RMS) of a set of numbers with step-by-step calculations, interactive visualization, AC/DC signal analysis, and statistical insights. Featured
Sample Mean Calculator - Calculate the sample mean (arithmetic average) of any dataset with step-by-step visualization, deviation analysis, data distribution chart, and comprehensive statistical insights.
Sample Size Calculator - Calculate the required sample size for surveys, research studies, and statistical analysis with confidence level, margin of error, and finite population correction. Get step-by-step formula breakdowns and visual confidence intervals.
Sample Standard Deviation Calculator - Calculate sample standard deviation with step-by-step formulas, interactive data visualization, outlier detection, empirical rule analysis, and comprehensive statistics including variance, mean, median, and range. Featured
Scatter Plot Maker - Create beautiful interactive scatter plots to visualize relationships between two variables. Features correlation analysis, trend lines, multiple styling options, and downloadable PNG charts.
Standard Deviation Calculator - Calculate standard deviation, variance, mean, and other statistics with step-by-step solutions and visualizations.
Standard Error Calculator - Calculate standard error of the mean (SEM) with step-by-step calculations, confidence intervals, data visualizations, and comprehensive statistical analysis for your dataset. Featured
Statistics Calculator - An all-in-one statistics calculator for count, sum, mean, median, mode, range, variance, standard deviation, geometric mean, harmonic mean, quartiles, outlier detection, and more.
t-Test Calculator - Perform Welch's t-test to determine if there is a statistically significant difference between the means of two independent groups.
Variance Calculator - Calculate sample variance and population variance with interactive visualization, step-by-step formulas, deviation analysis, and comprehensive statistical insights.
Z-Score Calculator - Calculate z-scores (standard scores) instantly with step-by-step formulas, interactive normal distribution visualization, probability lookup, percentile ranking, and statistical interpretation. New
Trigonometry Calculators
Arccos (Inverse Cosine) Calculator - Calculate arccos (inverse cosine) instantly with interactive unit circle visualization, step-by-step solutions, degree and radian outputs, and up to 1000 decimal places precision. New
Arcsin Calculator - Calculate the inverse sine (arcsin) of any value between -1 and 1. Get results in degrees or radians with adjustable precision up to 1000 decimal places, interactive unit circle diagram, step-by-step solution, and general solution formulas. New
Arctan2 Calculator - Calculate the angle between the positive x-axis and a point (x, y) using atan2. Features interactive SVG visualization, step-by-step solution, and high-precision output (1-1000 decimal places). Essential for programming, robotics, navigation, and game development. New
Arctan Calculator - Calculate arctan (inverse tangent) with high precision. Get the angle whose tangent equals your input value, displayed in both degrees and radians with interactive unit circle visualization and step-by-step solution. New
Cosine Calculator - Calculate the cosine of any angle with high precision, interactive unit circle visualization, cosine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians. New
Cosecant/Secant/Cotangent Calculator - Calculate the reciprocal trigonometric functions with adjustable precision from 1 to 1000 decimal places: Cosecant (1/sin), Secant (1/cos), and Cotangent (1/tan). Interactive unit circle visualization, domain validation, step-by-step explanation, and copy-to-clipboard functionality. New
Decimal Degrees to DMS Converter - Convert angles from decimal degrees (e.g., 30.263889°) to Degrees, Minutes, Seconds (DMS) format (e.g., 30° 15' 50"). Supports GPS coordinates, navigation, and surveying applications with step-by-step conversion and visual breakdown. New
DMS to Decimal Degrees Converter - Convert angles from DMS (Degrees, Minutes, Seconds) format to decimal degrees with interactive visualization, batch conversion, and smart format parsing. Perfect for GPS, GIS, navigation, and surveying. New
Hyperbolic Functions Calculator - Calculate hyperbolic functions (sinh, cosh, tanh) and their inverses (asinh, acosh, atanh) with adjustable precision from 1 to 1000 decimal places. Features step-by-step solutions, interactive graphs, and identity verification. New
Interactive Unit Circle Visualizer - A premium interactive unit circle tool. Drag to explore angles, snap to special values, see all 6 trig functions live, copy values instantly, and learn with step-by-step breakdowns and exact fractional values. New
Law of Cosines Calculator - Solve triangles using the Law of Cosines. Supports SAS (Side-Angle-Side) and SSS (Side-Side-Side) cases. Get step-by-step solutions, interactive triangle visualization, area, perimeter, and triangle classification! New
Law of Sines Calculator - Use the Law of Sines to find unknown sides or angles in a triangle. Supports ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and SSA (Side-Side-Angle) cases with ambiguous case detection. Get step-by-step solutions with detailed explanations! New
Right Triangle Calculator - Solve right triangles by entering any two known values (sides or angles). Calculate all missing sides, angles, area, and perimeter with detailed step-by-step explanations and visual diagrams. New
Sine Calculator - Calculate the sine of any angle with high precision, interactive unit circle visualization, sine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians. New
Tangent Calculator - Calculate the tangent of any angle with adjustable precision from 1 to 1000 decimal places. Supports degrees and radians, shows step-by-step solutions with MathJax formulas, interactive unit circle visualization, and clearly flags vertical asymptotes. Includes a special angles reference table and trigonometric identity cards. New
Trigonometric Function Grapher - Interactive trigonometric function grapher for visualizing sine, cosine, tangent, cotangent, secant, and cosecant. Customize amplitude, frequency, phase shift, and vertical shift (y = A·f(B(x-C)) + D) with real-time parameter adjustment. Perfect for students, teachers, and engineers. New
Trigonometric Identities Calculator - Calculate all trigonometric function values using Pythagorean, Double Angle, and Half Angle identities. Enter any known trig value and quadrant to find sin, cos, tan, csc, sec, cot with step-by-step solutions. New
Volume Calculators
Volume Calculator - Calculate the volume of 11 different 3D shapes including sphere, cylinder, cone, cube, cuboid, triangular prism, pyramid, tetrahedron, ellipsoid, torus, and frustum. Get instant results with detailed step-by-step solutions.
Volume of a Cone Calculator - Calculate the volume of a cone instantly with step-by-step solutions. Enter radius and height to get volume, surface area, and slant height. Perfect for students, engineers, and educators.
Volume of a Cube Calculator - Calculate the volume of a cube instantly with our free calculator. Enter the edge length to get volume, surface area, space diagonal, and step-by-step formula breakdown with interactive 3D visualization.
Volume of a Cylinder Calculator - Calculate the volume and surface area of a cylinder with step-by-step formulas, interactive 3D visualization, unit conversions, and educational diagrams. Supports high-precision calculations.
Volume of a Pyramid Calculator - Calculate the volume of pyramids with rectangular, square, or triangular bases. Features interactive 3D visualization, step-by-step calculations, surface area, and multiple unit support.
Volume of a Rectangular Prism Calculator - Calculate the volume, surface area, and diagonal of a rectangular prism (box) with step-by-step formulas, 3D visualization, and unit conversions. Perfect for construction, packaging, and education.
Volume of Ellipsoid Calculator - Calculate the volume of an ellipsoid with step-by-step solution, interactive 3D diagram, surface area estimation, and unit conversions. Supports all common measurement units.
Volume of Sphere Calculator - Calculate the volume of a sphere with high precision using radius, diameter, or circumference. Features step-by-step calculations, interactive 3D visualization, unit conversions, and real-world size comparisons.
Miscellaneous
Analysis Tools
MAC Address Analyzer - Analyze any MAC address to identify manufacturer, validate format, decode structure (OUI/NIC), determine unicast/multicast and UAA/LAA status with visual breakdown and comprehensive network details. Featured
Password Strength Tester - Analyze password strength with real-time security scoring, entropy calculation, time-to-crack estimation, and detailed improvement suggestions. Test your password security instantly.
Area Converters
Acreage Calculator - Calculate land acreage from dimensions in feet, meters, or yards. Supports rectangular, triangular, and circular shapes with step-by-step calculations, visual diagrams, and comprehensive unit conversions.
Acres to Hectares Converter - Convert acres to hectares instantly with step-by-step formula, visual area comparisons, bidirectional conversion, and a comprehensive reference table. Supports international number formats.
Acres to Perches Converter - Convert acres to perches instantly with interactive visual land area comparison, bidirectional conversion, step-by-step calculations, and historical unit context for surveyors and property owners.
Acres to Square Feet Converter - Convert acres to square feet instantly with visual land area comparison, common property size examples, step-by-step calculation, and comprehensive area conversion reference.
Acres to Square Meters Converter - Convert acres to square meters instantly with visual land size comparisons, bidirectional conversion, common presets, and step-by-step formula breakdown.
Acres to Square Miles Converter - Convert acres to square miles instantly with visual comparisons, step-by-step calculations, and a comprehensive conversion table for land area measurements.
Acres to Square Yards Converter - Convert acres to square yards instantly. Features bidirectional conversion, step-by-step formula, common conversion table, real-world area comparisons, and multi-unit cross-reference.
Hectares to Acres Converter - Convert hectares to acres instantly with visual size comparisons, real-world examples like football fields and farms, plus comprehensive unit conversions including square meters and square feet.
Perches to Acres Converter - Convert perches to acres and acres to perches with visual area comparison, step-by-step calculation, and comprehensive conversion reference table for land measurement.
Square Feet to Acres Converter - Convert square feet to acres instantly with visual area comparison, real-world examples, and step-by-step conversion. Perfect for real estate, land surveys, and property calculations.
Square Meters to Acres Converter - Convert square meters to acres with instant results, visual area comparison diagrams, real-world size references, and comprehensive conversion tables. Free online area converter with land size classification.
Square Miles to Acres Converter - Convert square miles to acres instantly with step-by-step calculations, visual scale comparison, real-world examples, and bidirectional conversion between square miles and acres.
Square Yards to Acres Converter - Convert square yards to acres and acres to square yards instantly. Features visual size comparisons, step-by-step calculations, and multi-unit conversions for land measurement.
Audio Tools
Audio Extractor - Extract audio tracks from your video files online. Select output format (MP3, WAV, AAC, OGG). Client-side processing. New
Audio Splitter - Professional audio splitter tool to split and cut audio files online. Supports MP3, WAV, M4A, FLAC, OGG, AAC, WMA and other formats. 100% free, client-side processing ensures privacy. No upload required. New
MP3 Looper - Loop any section of your MP3 files with visual waveform display, precise A/B markers, playback speed control, and real-time preview. Set exact loop points, adjust tempo for practice, and export as MP3. All processing happens in your browser for complete privacy. Featured
MP3 Reverser - Reverse your MP3 audio file instantly with our free online tool. Upload any MP3 file up to 10MB, preview both original and reversed audio with waveform visualization, and download the result. Privacy-focused - we never store your files.
Chemical Calculators
Corrected Calcium Calculator - Calculate corrected calcium level adjusted for albumin with multiple formulas (Payne, modified), clinical interpretation, visual calcium distribution diagram, and step-by-step calculation breakdown.
Corrected Sodium Calculator - Calculate corrected sodium for hyperglycemia using Katz and Hillier formulas. Includes clinical interpretation, step-by-step calculations, and severity assessment for DKA and HHS management.
Molar Mass Calculator - Calculate the molar mass of any chemical compound with detailed element breakdown, percentage composition, step-by-step calculations, and interactive periodic table. New
Molarity Calculator - Calculate molarity (M), mass of solute, or volume of solution with step-by-step formulas. Features common compound database, unit conversion, and dilution calculator. New
pH Calculator - Calculate pH values from hydrogen ion concentration [H+], pOH, or scientific notation with interactive pH scale visualization and detailed step-by-step calculations. New
Color Tools
CMYK to Hex Converter - Convert CMYK (Cyan, Magenta, Yellow, Black) color values to Hex code with real-time preview, RGB breakdown, step-by-step conversion, color harmony suggestions, and multiple output formats for web and print design.
Color Contrast Checker - Check color contrast ratios between text and background colors. Test WCAG 2.x AA/AAA compliance for normal and large text with real-time preview, color suggestions, and detailed accessibility analysis.
Color Inverter - Invert colors instantly with our free online tool. Supports HEX, RGB, HSL, CMYK formats with live preview, color wheel visualization, accessibility contrast checker (WCAG), and complementary color generation. New
Color Scheme Generator - Generate professional color schemes with complementary, analogous, triadic, split-complementary, square, and tetradic harmonies. Interactive color wheel, real-time preview, CSS/Tailwind export, and accessibility contrast checker.
Gradient Generator - Professional CSS gradient generator with interactive color stops, angle control, preset gradients, and instant code export for CSS, Tailwind, and SVG.
Hex to CMYK Converter - Convert HEX color codes to CMYK (Cyan, Magenta, Yellow, Key/Black) values for print production with visual ink breakdown, step-by-step formulas, and print preview simulation.
Hex to RGB Converter - Convert hexadecimal (hex) color codes to RGB, RGBA, HSL, HSLA, and CMYK values with real-time color preview, complementary colors, shades generator, and one-click copy functionality.
Image Color Picker - Upload any image and instantly pick colors with precision. Get HEX, RGB, HSL, and CMYK codes, extract color palettes, and discover color harmonies - all in one powerful tool. New
Palette Generator - Generate beautiful, harmonious color palettes based on color theory. Create analogous, complementary, triadic, split-complementary, tetradic, and monochromatic color schemes with export options for CSS, SCSS, JSON, and Tailwind. New
Random Color Generator - Generate random colors instantly with HEX, RGB, and HSL formats. Create color palettes, explore color harmonies, copy color codes with one click, and discover beautiful color combinations for your designs.
RGB to Hex Converter - Convert RGB to hex color code instantly with live preview, multi-format output (HSL, HSV, CMYK), CSS code snippets, color harmony palettes, WCAG contrast checker, and nearest named color matching.
Construction And DIY Calculators
Board Foot Calculator - Calculate lumber volume in board feet with 25+ wood species, cost estimation, weight calculations, and 3D visualization. Perfect for woodworkers, contractors, and DIY enthusiasts. New
Brick and Mortar Calculator - Calculate how many bricks and how much mortar you need for your wall project. Supports doors/windows, multiple brick sizes, bond patterns, and cost estimation. New
Concrete Calculator - Calculate concrete volume in cubic yards, meters, and feet for slabs, footings, columns, and stairs. Get pre-mix bag counts, ready-mix estimates, material costs, and professional tips for your project. New
Decking Calculator - Calculate all materials needed for your deck project including decking boards, joists, beams, posts, and fasteners. Features interactive SVG diagram, waste allowance, and support for both imperial and metric units. New
Drywall Calculator - Calculate the number of drywall sheets needed for walls and ceilings, plus estimates for joint compound, tape, and screws. Supports imperial and metric units with multiple sheet sizes and customizable waste allowance. New
Fence Calculator - Calculate fence materials including posts, rails, pickets, panels, concrete, and hardware with visual diagrams. Supports privacy, picket, post & rail, and panel fence styles. New
Flooring Calculator - Calculate flooring material needed for any room with our free flooring calculator. Supports hardwood, laminate, vinyl, tile, and carpet. Get box/roll counts, cost estimates, waste allowance, and multi-room totals with visual diagrams. New
Miter Angle Calculator - Calculate the precise miter and bevel angles for cutting trim, baseboard, crown molding, and picture frames at any corner angle. Includes interactive angle diagram, step-by-step formulas, saw setup instructions, and common reference angles. New
Mulch, Soil & Gravel Calculator - Calculate how much mulch, topsoil, gravel, or sand you need for your landscaping project. Get accurate volume in cubic yards/meters, weight estimates, bag counts, and delivery truck loads with interactive 3D visualization. New
Paint Calculator - Calculate exactly how much paint you need for your room with smart coverage estimation. Includes walls, ceiling, and trim calculations with automatic door/window deductions, multiple coat support, texture adjustments, and shopping list with various can sizes. New
Roof Pitch Calculator - Calculate roof pitch (slope), angle in degrees, and rafter length from rise and run or span. Interactive visual diagram, multiple calculation modes, and professional results for roofing, carpentry, and construction projects. New
Roofing Calculator - Calculate roofing materials for your project including shingles, metal sheets, tiles, or underlayment. Features roof pitch calculator, waste factor adjustment, visual roof diagrams, and material quantity estimation with step-by-step calculations. New
Slope and Grade Calculator - Calculate slope as a percentage, ratio, or angle from rise and run, or reverse-calculate missing dimensions from a known slope. Includes ADA compliance checking, steepness gauge, step-by-step solutions, and application-specific recommendations for ramps, drainage, driveways, and roofing. New
Squareness Checker (3-4-5 Rule) 📐 - Use the 3-4-5 rule (Pythagorean theorem) to verify if a corner is perfectly square (90 degrees) for foundations, framing, and layout work with instant accuracy feedback and visual diagrams. New
Stair Calculator - Calculate stair dimensions including number of steps, rise, run, stringer length, and angle. Verify building code compliance with IRC standards for safe and comfortable staircase design. Supports US Customary and Metric units with automatic optimization or manual step count. New
Stud Wall Framing Calculator - Calculate the exact number of studs, plates, and lumber needed for wall framing projects. Features interactive wall diagrams, support for openings (doors/windows), cost estimation, and professional framing tips for 16" or 24" on-center spacing. New
Tile Calculator - Calculate exactly how many tiles you need for floors or walls. Get complete material estimates including grout, adhesive, and cost calculations. New
Wallpaper Calculator - Calculate how many wallpaper rolls you need for any room. Our calculator considers wall dimensions, pattern repeat, doors and windows, and waste allowance for accurate material estimates that help you save money and avoid running short. New
Cooking Tools
Baker's Percentage Calculator - Calculate and scale bread recipes using baker's percentages. Convert ingredient weights relative to flour weight, adjust hydration levels, and create perfectly proportioned dough every time. Essential for bakers and bread makers. New
Baking Pan Size Converter - Convert recipe ingredient amounts when changing baking pan sizes. Easily switch between round, square, rectangular, and specialty pans with automatic area calculations and ingredient scaling. New
Brine and Salinity Calculator - Calculate the precise amount of salt needed for pickling, brining, curing, or fermentation based on your desired salinity percentage. Supports multiple salt types with automatic density conversion. New
Dough Hydration Calculator - Calculate dough hydration level (water-to-flour ratio) for perfect bread texture. Features visual dough consistency preview, baker's percentages, and full recipe generator for artisan bread, pizza, bagels, and more. New
Taco Bar Calculator - Calculate exactly how many tortillas, pounds of seasoned meat, cheese, salsa, guacamole, and toppings you need per person for a DIY taco bar. Get a complete shopping list with quantities for any group size. New
Yeast Conversion Calculator - Easily convert between fresh yeast, active dry yeast, and instant yeast with precise ratios. Perfect for bakers who need to substitute different yeast types in bread, pizza dough, and pastry recipes. New
Craft Tools
Cross-Stitch Size Calculator - Calculate the finished size of your cross-stitch embroidery project based on your pattern stitch count and fabric count (Aida, evenweave, linen). Supports multiple fabric types, includes margins for framing, and provides size in inches, centimeters, and millimeters. New
Fabric Calculator - Calculate the exact amount of fabric needed for sewing projects, quilting blocks, garments, and home decor. Features pattern layout visualization, waste minimization, directional print support, and detailed cutting diagrams. New
Yarn Calculator - Calculate how much yarn (yards/meters) you need for sweaters, blankets, scarves, and other knitting or crochet projects. Estimates based on yarn weight, gauge, project size, and stitch pattern. New
DIY & Crafts
Candle Wax & Fragrance Oil Calculator - Calculate the exact amount of wax needed for your candle container and determine the correct fragrance oil percentage. Features animated candle visualization, supports multiple wax types, container shapes, and batch calculations. New
Soap Making Lye Calculator (SAP) - Calculate the precise amount of lye (NaOH or KOH) needed for soap making with accurate saponification values for 40+ oils. Includes superfat calculation, water ratios, dual lye support, and safety guidelines for cold process and hot process soap. New
Electronics Tools
Battery Life Calculator - Calculate how long a battery will last based on capacity (mAh/Ah/Wh) and device consumption (mA/A/W). Features animated battery visualization, efficiency adjustments, and detailed runtime breakdowns for phones, laptops, IoT devices, and more. New
Ohm's Law Calculator - Calculate any electrical value (Voltage, Current, Resistance, Power) using Ohm's Law. Enter any two known values to instantly compute the other two with detailed formulas and step-by-step solutions. New
PCB Trace Width Calculator - Calculate the required trace width for your printed circuit board (PCB) based on current, temperature rise, and copper weight using IPC-2221 standard formulas. Includes visual trace preview, resistance calculation, and voltage drop analysis. New
Resistor Color Code Calculator - Calculate resistance values from color bands with an interactive visual resistor diagram. Supports 4-band, 5-band, and 6-band resistors with real-time updates, tolerance ranges, and detailed explanations. New
Voltage Drop Calculator - Calculate voltage drop in electrical wires based on wire type (copper/aluminum), AWG size, length, and load current. Essential for safe electrical installations, NEC compliance, and preventing power loss in residential, commercial, and industrial wiring. New
Encoders And Decoders
Base64 Decoder - Decode Base64 encoded strings to plain text with detailed byte analysis, character breakdown, multiple output formats (text, hex, binary), URL-safe support, and encoding validation.
Base64 Encoder - Encode text or files to Base64 with multiple encoding variants (Standard, URL-safe, MIME), real-time preview, encoding process visualization, and one-click copy. Supports UTF-8, ASCII, and binary data.
JWT Decoder - Decode JSON Web Tokens (JWT) to view the header and payload claims without verifying the signature. Visualize token structure, analyze claims, check expiration times, and debug authentication issues easily. 100% client-side processing for privacy. New
Morse Code Decoder - Decode Morse code to text instantly. Features visual Morse code chart, audio preview, and step-by-step decoding breakdown for easy learning.
Morse Code Generator - Convert text to morse code with visual breakdown and audio playback. Learn International Morse Code with step-by-step character translation and sound generation. Featured
URL Decoder - Decode URL-encoded (percent-encoded) strings with real-time preview, recursive multi-layer decoding, URL component breakdown, query parameter parsing, and encoding analysis. Supports UTF-8 and all percent-encoded characters.
URL Encoder - Encode text for URLs with multiple encoding modes (RFC 3986, Query String, Form Data), visual character-by-character breakdown, and comprehensive encoding analysis. See exactly which characters get encoded and why.
File Conversion
HEIC to JPG Converter - Convert HEIC/HEIF images to JPG format instantly in your browser. Batch conversion, adjustable quality, file size comparison, and image preview. 100% free, private, and no upload required.
HEIC to PNG Converter - Convert HEIC/HEIF images to PNG format instantly. 100% client-side processing ensures your photos never leave your device. Supports batch conversion with ZIP download.
Forex Tools
Major Forex Pairs Order Generator - Generate forex trading orders for 28 major currency pairs based on your currency strength analysis. Select LONG, SHORT, or NO ENTRY for each currency and get optimized trading signals.
Random Forex Pairs Order Generator - Generate random LONG or SHORT forex trading orders for 28 major currency pairs. Perfect for paper trading practice, strategy testing, and eliminating emotional bias in trading simulations.
Fun
Christmas Tree Calculator - Calculate the exact length of lights, number of baubles, tinsel, and ribbon needed for your Christmas tree. Uses cone geometry based on tree height and base width to give you a precise shopping list so you never buy too much or too little. New
Hamster Power Calculator - Calculate how many hamsters running on exercise wheels would be needed to power your house, charge a Tesla, run a gaming PC, or operate any appliance. Based on real hamster exercise data. New
Helium Balloon Lift Calculator - Calculate how many standard helium balloons are needed to lift a person, object, or even a house (Up style!) using Archimedes' buoyancy principle. Includes fun presets, balloon type options, and altitude effects. New
Kinetic Energy Chicken Cooker - Based on the viral internet meme: calculate how many slaps it takes to cook a raw chicken, or how fast a single slap must be. Uses real thermodynamics (Q = mcΔT) and kinetic energy (KE = ½mv²) to answer the ultimate physics question. New
Popcorn Fill Room Calculator - Calculate how many popcorn kernels you need to completely fill a room. Enter room dimensions, choose kernel type, and see the total volume, weight, and cost of popcorn required with interactive 3D visualization. New
Teleportation Error Rate Calculator - Calculate the probability of quantum reconstruction errors during teleportation based on your body mass, distance, and teleporter model. Find out if you'll arrive with extra body parts, reversed organs, or worse. New
Vampire Apocalypse Calculator - Simulate a vampire outbreak using the Lotka-Volterra predator-prey model. Set initial populations, feeding rates, and conversion rates to see how quickly humanity falls — or fights back. New
Zombie Survival Time Calculator - Estimate how long you'd survive a zombie apocalypse based on your location population density, available food supplies, weapon access, and cardio fitness level. New
General Tools
Age Calculator - Calculate your exact age in years, months, weeks, days, hours, minutes, and seconds with interactive visualization, birthday countdown, life milestones tracker, and personalized insights.
Air Conditioner BTU Calculator - Calculate the exact BTU cooling capacity needed for your room based on dimensions, ceiling height, sun exposure, occupancy, and other factors. Get AC unit size recommendations.
Aquarium Substrate Calculator - Calculate exactly how much substrate (gravel, sand, aqua soil) is needed for your aquarium based on tank dimensions and desired depth. Features live 3D tank preview, multiple substrate types, and instant weight calculations in pounds and kilograms. New
Aquarium Volume & Stocking Calculator - Calculate accurate aquarium water volume for rectangular, cylindrical, bow front, hexagonal, and corner tanks. Get fish stocking recommendations using inch-per-gallon and surface area methods with animated 3D tank visualization. New
Banana Radiation Calculator - Convert any radiation exposure into Banana Equivalent Dose (BED). Find out how many bananas equal a dental X-ray, CT scan, or airline flight — free online calculator with comparison chart. New
Barcode Generator - Generate professional barcodes in multiple formats (CODE128, CODE39, EAN-13, UPC, ITF-14, MSI, Pharmacode) with customizable appearance. Download as SVG or PNG for free. New
BBQ Calculator - Calculate exactly how much meat, buns, side dishes, condiments, drinks, and charcoal or propane you need for a BBQ based on guest count, appetite level, grill type, and event style. Get a complete shopping list with per-person breakdowns. New
Coffee Brew Ratio Calculator - Calculate the optimal coffee-to-water ratio for your preferred brewing method including Pour Over, Espresso, French Press, Cold Brew, AeroPress, Moka Pot, and Drip Coffee. Adjust strength from light to extra strong. New
Cost of Smoking Calculator - Calculate the true financial cost of smoking over time. See daily, monthly, yearly, and lifetime costs with investment opportunity analysis and health recovery timeline.
Daily Time Savings Calculator - Calculate how much time you can save per year by saving just a few minutes each day. Discover the cumulative impact of small daily time savings with detailed breakdowns and visual comparisons. New
Falling Through Earth Calculator - Calculate exactly how long it takes to fall through a hypothetical tunnel drilled through the center of the Earth. Explore the classic ~42-minute gravity train problem with both uniform density and realistic PREM variable density models. See maximum speed at the core, experience weightlessness timing, and compare with real-world travel speeds. New
Homebrew ABV Calculator (Alcohol by Volume) - Calculate the alcohol by volume (ABV) in your homebrewed beer, wine, cider, or mead using original and final gravity readings. Features multiple formulas, Brix support, visual fermentation animation, attenuation calculation, and calorie estimation. New
How Old Are You? - Find out exactly how old you are in years, months, weeks, days, hours, minutes, and seconds. Get life milestones, birthday countdown, zodiac sign, and detailed age breakdown.
IP Address to Binary Converter - Convert IP addresses to binary with interactive visual breakdown, step-by-step explanation, and multiple output formats. Supports both IPv4 and IPv6 addresses.
IP Address to Hex Converter - Convert IP addresses (IPv4/IPv6) to hexadecimal with interactive visual breakdown, multiple output formats, step-by-step conversion explanation, and network analysis. Featured
Is JavaScript Enabled? - Instantly check if JavaScript is enabled in your browser and explore a full diagnostic of your browser's JavaScript capabilities, APIs, and features.
Job Finder - Find your dream job by searching millions of listings from thousands of job boards, company pages, and recruitment sites in one place.
Lego Brick House Calculator - Estimate how many standard 2×4 Lego bricks are needed to build a life-size house. Enter your house dimensions, wall thickness, and window/door count to get a detailed brick count, total weight, estimated cost, and fascinating comparisons with real-world Lego structures. New
Maze Generator - Generate random, solvable mazes with custom dimensions, start/end points, and colors. Download as PNG, SVG, or animated GIF solution. New
Miles per Gallon Calculator - Calculate MPG (miles per gallon), convert to L/100km, estimate fuel costs, compare vehicle efficiency, and track CO2 emissions with our comprehensive fuel economy calculator.
Number to Word Converter - Convert any number to English words instantly. Supports cardinal, ordinal, and currency formats. Featured
Parking Ratio Calculator - Calculate the required number of parking spots based on building square footage and usage type. Supports retail, office, residential, restaurant, medical, hotel, industrial, and more with ITE standard parking ratios. New
Penny Drop Impact Calculator - Calculate the terminal velocity and impact force of a penny dropped from any height. Debunk the famous Empire State Building penny myth with real physics — drag coefficients, air density, and energy comparisons. New
Pizza Party Planner - Calculate the perfect number of pizzas for your party based on guest count, appetite level, pizza size, and event type. Get detailed breakdowns with cost estimates, vegetarian splits, and per-person serving analysis. New
Plant Spacing Calculator - Calculate the optimal number of plants for any garden area using square grid or triangular spacing layouts. Visualize planting patterns, compare efficiency, and maximize your garden yield with interactive layout diagrams. New
QR Code Generator - Create custom QR codes for URLs, text, WiFi, email, and phone numbers. Customize colors, size, error correction, and download as PNG instantly.
Quote Finder - Find thousands of quotes by author or phrase. Dive into a comprehensive quote database today!
Wedding Alcohol Calculator - Estimate how many bottles of wine, beer, and spirits you need for a wedding or party. Customize guest count, event duration, drinking levels, and beverage mix to get accurate drink estimates with a visual shopping list. New
Word to Phone Number Converter - Convert words and phrases to phone numbers using the international standard T9 keypad letter mapping. Perfect for creating memorable phone numbers and understanding alphanumeric encoding. Featured
Image Tools
Add Line to Image - Draw lines directly onto your images with customizable colors, styles, and thickness. Features include solid, dashed, dotted, and brush strokes, zoom controls, undo support, and instant PNG download. 100% private - images never leave your device. New
Add Text to Image - Add custom text overlays to images with multiple layers, fonts, colors, and effects like shadow, outline, glow, and 3D. Free online tool with drag-and-drop positioning. New
Collage Maker - Create stunning photo collages online for free with 6 professional layouts, customizable gaps, background colors, drag-and-drop reordering, and high-resolution downloads. 100% private - all processing in your browser.
Flip GIF - Flip animated GIFs horizontally (mirror) or vertically online for free. 100% privacy - files are processed in your browser, never uploaded to any server. New
Flip Image - Flip images horizontally (mirror) or vertically online for free. 100% private - all processing happens in your browser. No upload required. New
GIF Maker - Create stunning animated GIFs from your images with drag-and-drop simplicity. Adjust speed, quality, and dimensions. 100% browser-based for complete privacy.
Image Censor - Protect privacy in your photos by censoring sensitive areas with pixelation, blur, or solid color. 100% client-side processing - your images never leave your device. New
Image Compressor - Compress and resize images instantly in your browser. Supports JPEG, PNG, and WebP output with batch processing, visual comparison, and ZIP download. 100% private — files never leave your device. New
Image Cropper - Crop images online for free with preset aspect ratios (1:1 Square, 16:9, 4:5 Portrait). No upload required - all processing done locally in your browser for complete privacy.
Image Enhancer - Enhance your images instantly with our free online tool. Adjust brightness, contrast, saturation, sharpness, and temperature. Apply professional preset filters like Vivid, B&W, Vintage, and Cinematic. 100% browser-based - your images stay private. New
Image Flipper - Flip images horizontally or vertically with live preview, batch processing, output format selection (PNG/JPEG/WebP), and quality control. 100% browser-based, private, and free.
Image Resizer - Resize images online for free. Supports JPG, PNG, GIF, WebP. Batch processing, social media presets, aspect ratio lock. 100% private - images never leave your browser.
Image Rotator - Rotate one or multiple images by any angle (0-360 degrees) with live preview, quick presets, and batch download. Free, fast, and works entirely in your browser. New
Image Splitter - Split images into multiple parts with customizable grid layouts. Features draggable guide lines, quick presets for Instagram carousels and grids, zoom controls, and batch ZIP download. 100% private - all processing happens in your browser. Featured
Print Size & Resolution Calculator (DPI/PPI) - Calculate the maximum high-quality print size for your digital images. Enter your image dimensions in pixels and desired DPI to see exactly how large you can print while maintaining sharp quality. Features visual comparison, standard print sizes, and quality recommendations. New
Key Generators
Django Secret Key Generator - Generate cryptographically secure SECRET_KEY values for Django projects with entropy analysis, character composition visualization, and one-click copy. Essential for Django security.
GUID / UUID Generator - Generate random 128-bit GUID/UUID identifiers (v1, v4, v5) compliant with RFC 4122. Features visual structure breakdown, multiple formats, batch generation, and UUID validation.
MAC Address Generator - Generate random MAC addresses in multiple formats with prefix support, OUI lookup, unicast/multicast and local/universal options. Perfect for network testing, software development, and educational purposes. Featured
WordPress Secret Key Generator - Generate cryptographically secure WordPress security keys and salts for your wp-config.php file. One-click copy, key strength analysis, and step-by-step installation guide.
WPA Key Generator - Generate cryptographically secure WPA/WPA2/WPA3 keys for your wireless network. Create random, uncrackable WiFi passwords with customizable length, character sets, and security strength analysis.
Length Converters
Cm to Feet and Inches Converter - Convert centimeters to feet and inches instantly with step-by-step calculations, visual height comparison, and quick presets for common heights. Featured
CM to Inches Converter - Instantly convert centimeters (cm) to inches with our free online converter. Includes conversion formula, visual ruler guide, and common conversions. Featured
Feet and Inches to Cm Converter - Convert feet and inches to centimeters instantly with visual height comparison, multi-unit output (cm, meters, total inches), and common height reference examples. Featured
Feet to Meters Converter - Instantly convert feet to meters with visual comparison scale, feet and inches input support, metric breakdown (centimeters/millimeters), and common length reference examples.
Inches to cm Converter - Convert inches to centimeters instantly with interactive visual scale, fractional inch support, multiple output units (cm, mm, m), and real-world size comparisons.
Meters to Feet Converter - Instantly convert meters to feet with visual comparison scale, feet and inches breakdown, fractional inch display, and common length reference examples.
Lookup Tools
Facebook User ID Lookup - Free online tool to find any Facebook user, page, or group numeric ID from a profile URL or username. Essential for developers, marketers, and social media managers. Featured
MAC Address Lookup - Instantly identify network device manufacturers and vendors by MAC address. Search by full or partial MAC address, or look up MAC prefixes by company name with our comprehensive OUI database. Featured
What is my IP Address? - Instantly discover your public IP address with detailed network information, IPv4/IPv6 detection, one-click copy, and connection details in a beautiful dashboard interface.
Number System Converters
BCD to Binary Converter - Convert BCD (Binary-Coded Decimal) to binary with step-by-step visualization and detailed explanations. Featured
BCD to Decimal Converter - Convert BCD (Binary-coded decimal) to decimal integer with step-by-step visualization and detailed explanations. Featured
BCD to Hex Converter - Convert BCD (Binary-Coded Decimal) to hexadecimal with step-by-step visualization, digit breakdown, and interactive conversion diagrams. Supports packed BCD, unpacked BCD, and multiple input formats. Featured
Binary to BCD Converter - Convert binary numbers to BCD (Binary-Coded Decimal) format with interactive step-by-step visualization, bit mapping diagrams, and detailed conversion explanations. Featured
Binary to Gray Code Converter - Convert a binary number to Gray code with a step-by-step explanation, XOR truth table, and bit-by-bit visualization. Featured
Decimal to BCD Converter - Convert decimal integers to BCD (Binary-Coded Decimal) with step-by-step visual conversion, comparison tables, and detailed explanations. Featured
Gray Code to Binary Converter - Convert gray code to binary number with step-by-step conversion process. See the detailed transformation from Gray code to standard binary representation. Featured
Hex to BCD Converter - Convert hexadecimal (Base-16) numbers to BCD (Binary-Coded Decimal) format with interactive step-by-step visualization, digit mapping diagrams, and comprehensive conversion breakdown. Featured
Occult Calculators
Advanced Zodiac Compatibility Analyzer - Analyze relationship compatibility by comparing Sun (identity), Moon (emotions), Venus (love style), and Mars (drive) signs. Get detailed pair-by-pair analysis, element harmony insights, and an overall compatibility score. New
Angel Number Calculator - Discover your angel numbers through recurring numbers or birth date calculation with detailed meanings and spiritual guidance. Featured
Astrological Element Balance Calculator - Analyze the balance of the four elements (Fire, Earth, Air, Water) in your birth chart based on planetary placements to understand your fundamental temperament and energetic blueprint. New
Astrological Modality Balance Calculator - Analyze the balance of the three modalities (Cardinal, Fixed, Mutable) in your birth chart to understand how you initiate, stabilize, and adapt to life's changes. New
Birthstone and Zodiac Flower Finder - Find the traditional birthstones and zodiac flowers associated with your birth month. Discover the unique symbolism, healing properties, and meanings behind these precious gems and blooms. New
Celtic Tree Zodiac Calculator - Discover your Celtic Tree Sign based on the ancient druidic lunar calendar. Find your sacred tree among 13 Celtic trees like Birch, Oak, Willow, and explore its unique symbolism, personality traits, and spiritual meaning. New
Destiny Number Calculator - Calculate your numerology destiny number (life path number) from your birth date with step-by-step reduction, detailed personality insights, and compatibility analysis.
Expression Number Calculator - Calculate your numerology expression number (also called the name number) based on your full name. See your letter-by-letter breakdown, reduction steps, and meaning.
Life Path Number Calculator - Calculate your life path number based on your birth date. Discover your destiny, life purpose, and personality traits with detailed numerology interpretation and step-by-step calculation.
Love Compatibility Calculator - Calculate detailed love compatibility using numerology, zodiac signs, and elemental analysis. Get personalized insights with interactive compatibility gauges, relationship dynamics, and cosmic connection scores. Featured
Mars Sign Calculator - Calculate your Mars sign instantly with our accurate Mars Sign Calculator. Discover how Mars shapes your drive, passion, energy, assertiveness, and approach to conflict and desire.
Master Number Calculator - Calculate your Life Path Number from your birth date and discover Master Numbers (11, 22, 33) with detailed spiritual meanings, calculation breakdown, and numerology insights. Featured
Mercury Retrograde Calendar - Check if Mercury is retrograde now. View complete Mercury retrograde dates, shadow periods, and zodiac signs for any year (1900-2100) with Swiss Ephemeris accuracy. New
Mercury Sign Calculator - Find your Mercury sign to reveal your communication style, thought processes, and learning approach. Enter your birth date, time, and location for an instant reading. New
Moon Sign Calculator - Discover your Moon Sign based on your exact birth time and location. Understand your emotional nature, inner self, and subconscious patterns through accurate astrological calculation.
Moon Sign Compatibility Calculator - Discover the emotional compatibility between two people based on Moon signs. Calculate Moon positions using precise astronomical data and receive detailed analysis of emotional dynamics, nurturing styles, and relationship harmony. New
Name Number Calculator - Calculate your numerology name number based on your full name. Discover the meaning of your name number with detailed step-by-step calculation and interpretation. Featured
New Moon & Full Moon Calendar - Find precise dates and times of all New Moons and Full Moons for any year from 1900 to 2100. Includes zodiac positions, spiritual meanings, and intention guidance for each lunar phase. New
Numerology Calculator - Calculate your complete numerology profile including Life Path, Expression (Destiny), Soul Urge, Personality, and Birthday numbers with detailed interpretations and step-by-step calculations.
Personality Number Calculator - Calculate your numerology personality number based on the consonants in your name. Discover how others perceive you with detailed step-by-step calculation and interpretation.
Saturn Return Calculator - Calculate the exact timing of your Saturn Return with precision ephemeris data. Discover your natal Saturn sign, all three return dates, and personalized life themes for this transformative astrological milestone. New
Soul Urge Number Calculator - Calculate your numerology Soul Urge (Heart's Desire) Number from the vowels in your full name, with step-by-step breakdown and meaning.
Sun, Moon & Rising Sign Calculator 🌞🌙✨ - Calculate your Sun, Moon, and Rising signs (the astrological Big Three) based on your birth date, time, and location. Get detailed personality interpretations, elemental analysis, and discover how these three placements shape your identity, emotions, and outward personality. Featured
Venus Sign Calculator - Calculate your Venus sign to understand your love language, romantic preferences, aesthetic values, and relationship style. Enter your birth date, time, and location for an accurate personalized reading.
What is my Chinese Zodiac Sign? - Find out what your Chinese zodiac sign is based on your birth date. Discover your zodiac animal, personality traits, lucky numbers, compatible signs, and the meaning behind your Chinese astrological sign.
What is my Lucky Number? - Find out what your lucky number is based on your date of birth using numerology. Discover the meaning of your lucky number with detailed interpretation and personality insights.
What is my Zodiac Sign? - Discover your zodiac sign instantly! Enter your birth date to reveal your astrological sign, personality traits, element, ruling planet, and compatibility with other signs.
Pet Age Calculators
Cat Years to Human Years Calculator - Convert your cat's age to human years with accurate life stage analysis, health insights, and visual comparison charts.
Dog Years to Human Years Calculator - Convert dog years to human years using modern veterinary guidelines. See your dog's equivalent human age, life stage, and health insights based on breed size.
Photography Tools
Depth of Field (DoF) Calculator - Calculate depth of field (DoF), hyperfocal distance, near/far focus limits, and circle of confusion for any camera and lens combination. Features interactive visualization, real-time aperture comparison, and comprehensive photography calculations. New
Golden Hour / Blue Hour Calculator - Calculate exact golden hour and blue hour times for any location and date. Get optimal photography lighting windows with stunning visual timeline, sun position animations, and detailed shooting recommendations for photographers. New
Pressure Converters
Bar to PSI Converter - Convert pressure between bar and psi (pounds per square inch) with visual gauge, common presets, and multi-unit results.
kPa to psi Converter - Convert kPa (kilopascals) to psi (pounds per square inch) instantly. Free online pressure unit converter with conversion formula, reference chart, and common pressure examples.
PSI to Bar Converter - Convert between PSI (pounds per square inch) and Bar pressure units instantly. Features bidirectional conversion, visual pressure gauge, common presets for tires, SCUBA, and industrial applications, plus multi-unit comparison table.
psi to kPa Converter - Convert psi (pounds per square inch) to kPa (kilopascals) instantly. Free online pressure unit converter with conversion formula, reference chart, and common pressure examples.
Student Calculators
Electricity Calculator - Calculate voltage, current, resistance, and power using Ohm's Law and Watt's Law. Enter any two known values and instantly solve for the other two with detailed step-by-step formulas.
GPA Calculator - Calculate your GPA (Grade Point Average) with course credits and grades. Supports US 4.0 scale, plus/minus grades, weighted GPA, and multiple grading systems.
Kinematics Calculator - Solve one-dimensional kinematics problems using the four kinematic equations. Enter any 3 known variables to find the 2 unknowns with detailed step-by-step solutions.
Unit Converters
Angle Converter - Convert angles between degrees, radians, gradians, turns, arcminutes, arcseconds, and milliradians instantly with a visual protractor diagram and DMS notation support. New
Energy Converter - Instantly convert between 12+ energy units including Joules, Calories, BTU, kWh, eV, and more. Features real-time conversion, practical examples, and scientific notation support. New
File Size Converter - Convert file sizes between all units (Bits, Bytes, KB, MB, GB, TB, PB) with binary (1024) and decimal (1000) standards. Includes visual size comparisons and instant all-unit conversion.
kg to lbs Converter - Convert kilograms (kg) to pounds (lbs) and vice versa with step-by-step calculations, weight breakdowns in ounces, and real-world weight comparisons. Featured
Lbs to Kg Converter - Convert pounds (lbs) to kilograms (kg) with our easy-to-use weight conversion calculator. Get accurate conversions with visual representations and detailed explanations. Featured
Length Converter - Convert between length units instantly: meters, centimeters, millimeters, kilometers, feet, inches, yards, miles, and nautical miles. Features real-world comparisons and visual scale. New
Percent to PPM Converter - Free online tool to convert between percent (%) and parts per million (ppm) with instant results, visual scale diagram, and common conversion reference table. Featured
Power Converter - Instantly convert power between Watts, Kilowatts, Megawatts, Horsepower (mechanical & metric), BTU/h, Ton of Refrigeration, and Foot-Pound per Second with visual scale comparison. New
PPM to Percent Converter - Convert ppm (parts-per-million) to percentage with visual scale, real-world examples, and detailed explanations. Featured
Pressure Converter - Instantly convert pressure between Pascals (Pa), Kilopascals (kPa), Megapascals (MPa), Bar, Millibar (mbar), PSI, Atmospheres (atm), Torr, and kgf/cm² with visual gauge and quick presets. New
Scale Model Conversion Calculator - Convert measurements between different scale model ratios (1:72, 1:35, 1:24, etc.) and real-world dimensions. Perfect for hobbyists building aircraft, vehicles, ships, architectural models, and miniatures. Features visual scale comparison, common scale presets, and bidirectional conversion. New
Shoe Size Converter - Instantly convert shoe sizes between US, UK, EU, Japan (Mondopoint), Mexico, Brazil, and Korea. Supports men's, women's, and children's sizes with foot measurement guide. New
Speed Converter - Instantly convert speed between Meters per Second, Kilometers per Hour, Miles per Hour, Feet per Second, Knots, Mach Number, and Speed of Light with interactive speedometer visualization and real-time comparisons. New
Temperature Converter - Convert temperature between Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), and Réaumur (°Ré) with visual thermometer display, reference points, and detailed conversion formulas.
Ultimate Frequency & Wavelength Converter - Convert between frequency and wavelength across the electromagnetic spectrum with interactive visualization, step-by-step calculations, and support for custom propagation speeds.
Volume Converter - Convert volume instantly between Liters, Milliliters, Cubic Meters, US Gallons, Quarts, Pints, Cups, Fluid Ounces, Tablespoons, Teaspoons, Cubic Feet, and Cubic Inches with visual comparison. New
Weight (Mass) Converter - Instantly convert weight between Kilograms, Grams, Milligrams, Pounds, Ounces, Stones, Metric Tons, Short Tons, Long Tons, Carats, and Micrograms with real-time updates and visual object comparisons. New
Video Tools
Add or Replace Audio in Video - Easily add new audio to your video (mixing with original sound) or completely replace the video's existing audio. Keeps original video length. Option to loop shorter audio. Adjust added audio volume in dB. New
Add Watermark to Video - Easily add a text or image watermark to your videos online. Customize position, size, font, and color. No uploads required. New
Adjust Video Speed - Easily change video playback speed (slow motion or fast forward) online. Supports 0.25x to 4.0x speed adjustment. Free, client-side processing. New
Flip Video - Easily flip your videos horizontally (mirror) or vertically online without uploading. Free, fast, and secure. New
FPS Converter - Easily change the frame rate (FPS) of your videos online. Supports presets and custom FPS. Free, fast, and client-side processing. New
GIF to MP4 Converter - Convert your animated GIFs into MP4 videos directly in your browser. Customize quality, size (dimensions/scale), preview, and download instantly. Fast, free, and private. New
Loop Video - Easily loop your videos a specified number of times. Processes in your browser, no uploads. Free and secure. New
Merge Videos - Combine multiple video files into a single video online. Client-side merging, reorder videos before merging. Free and secure. New
MP4 to GIF Converter - Convert your MP4 videos into animated GIFs directly in your browser. Customize size, FPS, and preview instantly.
Random Video Thumbnail Generator - Generate random thumbnails from uploaded videos.
Remove Audio from Video - Easily remove the audio track (mute) from your video files online. Keeps video quality. Client-side processing. New
Reverse Video - Easily reverse short video clips online (best under 20s). Optionally select start/end times. Processed in your browser. New
Rotate Video - Easily rotate your videos 90, 180, or 270 degrees clockwise or counter-clockwise online without uploading. Free, fast, and secure. New
Video Compressor - Compress video files online directly in your browser. Reduce video size with adjustable quality settings. Free, secure, and no uploads required. New
Video Cropper - Crop your videos online directly in your browser. Draw a rectangle to select the area, preview, and download. New
Video Splitter - Easily split a segment from your video online without uploading. Select start and end times visually. Free, fast, and secure. New
Video to Image Extractor - Extract single or multiple image frames from your videos online. Select time, interval, and format (PNG, JPG, WEBP). New
Volume Converters
Cups to Gallons Converter - Convert between US cups and gallons with a visual conversion chart, instant bidirectional calculator, step-by-step formula, and a full reference table for common cooking and baking measurements.
Cups to Liters Converter - Convert US cups to liters instantly with visual measuring cup reference, common cooking conversions, and bidirectional conversion. Perfect for recipes and cooking measurements.
Cups to Ounces Converter - Convert cups to ounces with support for US, Imperial, and Metric cup standards. Includes visual diagrams, quick reference tables, and ingredient weight conversions for cooking.
Cups to Quarts Converter - Convert between US cups and US quarts with a visual quart-fill diagram, bidirectional converter, step-by-step formula, multi-unit conversion panel, and a comprehensive cooking reference table.
Cups to Tablespoons Converter - Convert cups to tablespoons and tablespoons to cups instantly. Features bidirectional conversion, visual measuring guide, common recipe measurements, ingredient-specific conversions, and fractional results for easy cooking and baking.
Cups to Teaspoons Converter - Convert cups to teaspoons and teaspoons to cups instantly. Features bidirectional conversion, visual measuring guide, common recipe conversions, and fractional results for easy cooking.
Gallons to Cups Converter - Convert US gallons to cups instantly with visual representations, bidirectional conversion, and complete volume breakdown including quarts and pints.
Liters to Cups Converter - Convert liters to cups instantly. Supports US customary cups, metric cups (250 mL), and Imperial cups with precise calculations and a visual converter.
Ounces to Cups Converter - Convert fluid ounces to cups and cups to ounces instantly. Features bidirectional conversion, visual measurement guide, common conversions reference table, and detailed step-by-step calculations for cooking and baking.
Quarts to Cups Converter - Convert quarts to cups instantly with visual measuring guides, bidirectional conversion, multiple measurement systems (US, UK, Metric), common cooking conversions, and step-by-step calculations.
Tablespoons to Cups Converter - Convert tablespoons to cups and cups to tablespoons instantly. Supports US, Metric, and Imperial measurements with visual fill-level diagrams.
Tablespoons to Teaspoons Converter - Convert tablespoons to teaspoons and teaspoons to tablespoons with visual spoon diagrams, step-by-step calculations, and a quick reference table for common recipe measurements.
Teaspoons to Cups Converter - Convert teaspoons to cups and cups to teaspoons instantly. Features bi-directional conversion, visual measuring guides, common recipe presets, and a complete reference table for cooking and baking.
Teaspoons to Tablespoons Converter - Convert teaspoons to tablespoons and vice versa with visual spoon representations, batch conversion for recipes, and a comprehensive quick reference chart. Supports US, metric, and UK measurement systems.
Weight Converters
Grams to Ounces Converter - Convert grams to ounces (oz) instantly with an interactive balance scale visualization, step-by-step calculations, common weight references, and a comprehensive conversion table.
Grams to Pounds Converter - Convert grams to pounds instantly with visual weight scale, real-world comparisons, bidirectional conversion, and interactive conversion tables for cooking, shipping, and everyday weight measurements.
Ounce to Gram Converter - Convert ounces to grams instantly with visual weight scale, common conversions table, precision control, and step-by-step calculation breakdown.
Pounds to Grams Converter - Convert pounds to grams instantly with an interactive visual scale, common weight references, and detailed conversion tables. Features bidirectional conversion with real-world examples like food portions and everyday objects.
Randomness
Color Tools
Random Color Palette Generator - Generate beautiful, harmonious color palettes instantly. Choose from 6 color harmony modes, lock your favorite colors, and export in HEX, RGB, HSL, and CMYK formats. Perfect for designers, artists, and developers. New
Coin Flipper - Flip a virtual coin with realistic 3D animation to make quick 50/50 decisions. Supports flipping 1-100 coins with true random results, statistics tracking, and beautiful visual effects. New
Dice Roll Probability Calculator - Calculate the exact probability of rolling specific outcomes with multiple dice. Supports standard dice notation (NdX+M), all polyhedral dice (d4, d6, d8, d10, d12, d20, d100), probability distributions, and visualizations. Perfect for D&D, Pathfinder, and tabletop gaming. New
Dice Roller - Roll virtual 3D dice with stunning animations. Supports standard D6, polyhedral dice (D4, D8, D10, D12, D20, D100) for tabletop RPGs like D&D, Pathfinder, and board games. Features realistic rolling animations, sound effects, and roll history. New
Gaussian Distribution Generator - Generate random numbers following a Normal (Gaussian) Distribution based on mean and standard deviation. Features interactive bell curve visualization, statistical analysis, histogram display, and export options. Perfect for simulations, statistical modeling, and educational purposes. New
List Randomizer - Randomize and shuffle any list of items into random order using the Fisher-Yates algorithm. Perfect for giveaways, team assignments, task distribution, and fair random selection. Featured
Lottery Number Generator - Generate random lottery numbers for popular lotteries worldwide including Powerball, Mega Millions, EuroMillions, and custom games with animated ball reveal and lucky number analysis. Featured
Magic 8-Ball - Ask the classic Magic 8-Ball a yes/no question and receive mysterious advice from one of 20 authentic responses. Features realistic 3D shaking animation, mystical sound effects, and question history tracking. New
Name Randomizer - Randomize names with animated shuffle visualization. Pick random winners, shuffle lists, create fair selections for raffles, giveaways, classroom activities, and team assignments. Featured
Number Randomizer - Randomize and shuffle a list of numbers instantly with visual animation, multiple input modes, shuffle statistics, and export options. Perfect for random ordering, lottery draws, and fair selections.
Password Generator - Generate cryptographically secure random passwords and memorable passphrases with real-time strength analysis, time-to-crack estimation, and advanced customization options.
Random Activity Generator - Bored? Generate random activity suggestions from creative projects to outdoor adventures. Filter by category, time, participants, and budget to find the perfect thing to do right now. New
Random Animal Generator - Discover amazing animals with our Random Animal Generator! Perfect for kids and curious minds. Generate random animals with fun facts, filter by category, and build your wildlife collection. Featured
Random Birthday Generator - Generate multiple random birthdays with detailed information including age, zodiac sign, day of week, and fun birthday facts. Perfect for testing, data generation, and creative projects. Featured
Random Cocktail Recipe Generator - Generate random cocktail recipes with ingredients and step-by-step mixing instructions. Filter by category, strength, and difficulty. Perfect for bartenders, party hosts, and cocktail enthusiasts. New
Random Coordinate Generator - Generate random GPS coordinates (latitude and longitude pairs) anywhere in the world or within specific geographic bounds. Features interactive map visualization, multiple output formats (DD/DMS), customizable precision, and region presets for North America, Europe, Asia, and more. New
Random Country Generator - Generate random countries with AI-powered fun facts, interactive maps, and comprehensive country data. Perfect for geography quizzes, travel inspiration, educational games, or discovering your next adventure. Features country profiles with capital, population, currency, languages, and unique AI-generated insights. New
Random Credit Card Generator - Generate dummy credit card numbers that pass the Luhn algorithm validation check. Perfect for testing payment forms, e-commerce checkout flows, and API integrations. Supports Visa, Mastercard, American Express, Discover, JCB, and Diners Club. New
Random Date Generator - Generate random dates within a specific start and end range. Essential for testing database sorting and filtering logic, creating mock data, and various development needs. Features multiple output formats, batch generation, weekend exclusion, and visual timeline display. New
Random Decimal Number Generator - Generate random decimal numbers between 0 and 1 with customizable precision. Create single values or batches up to 100 with visual distribution analysis, statistics, and one-click copying.
Random Domain Name Generator - Generate creative, brandable domain name ideas by combining random words, prefixes, and suffixes. Choose from multiple naming styles, industries, and TLD extensions to find the perfect domain for your next project. New
Random Emoji Generator - Generate random emojis, emoji sequences, or themed emoji combinations to spice up your messages, social media posts, and creative projects. Choose from 10+ categories and themes. New
Random Excuse Generator - Generate hilarious or believable excuses for being late, missing work, skipping events, or dodging social obligations. Choose your scenario, tone, and formality level to get the perfect excuse. New
Random Fake Address Generator - Generate realistic but completely fake street addresses for multiple countries including US, UK, Canada, Australia, Germany, France, and Japan. Perfect for test forms, database seeding, UI mockups, and software testing. Includes optional phone numbers and person names. New
Random Group Generator - Create perfectly balanced random groups from any list of names. Ideal for teachers, team leaders, and event organizers. Features multiple grouping modes, visual team displays, and one-click copy functionality. Featured
Random Haiku Generator - Generate random haiku poems following the traditional 5-7-5 syllable structure. Choose from 8 nature-inspired themes or mix them all for creative inspiration. New
Random IMEI Generator - Generate valid random IMEI (International Mobile Equipment Identity) numbers that pass the Luhn algorithm check. Choose from major device manufacturers or generate fully random IMEIs. Ideal for testing mobile software, device management systems, and development environments. New
Random Integer Generator - Generate random integers between any two numbers with advanced options including batch generation, unique numbers, sorting, and visual distribution analysis.
Random IP Address Generator - Generate random valid IPv4 and IPv6 addresses for network testing, firewall configuration, log simulation, and development. Supports all address classes, private ranges, and custom formats with visual network diagrams. New
Random JSON Generator - Generate random JSON objects populated with realistic dummy data. Choose from preset schemas (user, product, article, order, event) or create custom templates with placeholders for names, emails, numbers, dates, and more. New
Random Letter Generator - Generate random letters from A to Z with customizable options. Choose uppercase, lowercase, or mixed case. Generate single or multiple letters for games, teaching, random selection, and more.
Random Line Picker - Pick random lines from any text input. Select multiple random items at once with options for duplicate control. Perfect for raffles, task assignment, decision making, and more. Featured
Random Meal Generator - Can't decide what to eat? Generate random meal ideas based on cuisine type, meal time, and dietary preferences. Perfect for meal planning and solving the daily dinner dilemma. New
Random Movie Picker - Can't decide what to watch? Generate random movie suggestions filtered by genre, decade, and rating. Get instant picks from a curated collection of critically acclaimed films spanning every era and style. New
Random Name Generator - Generate unique, creative names using AI across 11 categories including person names, company names, usernames, pet names, and more. Create up to 20 names at once.
Random Name Picker - Fairly Pick Random Names from a list. Enhanced with a unique 3-step Randomness Process Certification for credibility. Featured
Random NanoID Generator - Generate cryptographically secure NanoIDs - the modern, compact alternative to UUIDs. Features customizable alphabets (URL-safe, hex, alphanumeric, no-lookalike), adjustable length (8-64 chars), collision probability calculator, bulk generation, and one-click copy. Perfect for developers building databases, APIs, URL shorteners, and distributed systems. New
Random Number Picker - Pick a random number from your custom list with animated selection, multiple pick modes, history tracking, and fun lottery-style experience. Fair, unbiased, and perfect for games, raffles, decisions, and random selection. Featured
Random Object Generator - Generate random everyday objects with colorful cartoon images and educational descriptions. Perfect for vocabulary building, creative writing, drawing prompts, and fun learning activities for kids. Featured
Random Picker - Pick random items or images from a list with stunning visual animations, spinning wheel effects, sound feedback, confetti celebrations, and selection history tracking. Perfect for giveaways, raffles, team selection, and decision making. Featured
Random PIN Generator - Generate cryptographically secure random PINs of any length (4-digit, 6-digit, 8-digit, and more). Features batch generation, strength analysis, digit exclusion, sequential pattern prevention, and animated reveal. Perfect for testing banking apps, lock screens, security systems, and password vaults. New
Random Playing Card Generator - Draw random playing cards from a standard 52-card deck with beautiful card animations and flip effects. Perfect for magic tricks, probability lessons, card games, memory practice, and decision making. New
Random Port Number Generator - Generate random network port numbers within specific ranges (Well-known 0-1023, Registered 1024-49151, or Dynamic/Private 49152-65535). Features interactive port radar visualization, common port identification, and instant copy. Perfect for network configuration, testing, and development. New
Random Quote Generator - Generate random quotations with author information, images, and download capabilities. Featured
Random String Generator - Generate cryptographically secure random strings with customizable character sets, length options, and password strength analysis. Featured
Random Superpower Generator - Discover random superpowers with detailed descriptions, power levels, abilities, and limitations. Perfect for creating comic book characters, RPG heroes, writing prompts, or party games. New
Random Time Generator - Generate random times of day in 12-hour or 24-hour format. Perfect for scheduling randomization, testing applications, creating random schedules, or making time-based decisions. Features animated clock display, preset time ranges, and multiple output formats. New
Random Tournament Bracket Generator - Generate randomized single-elimination tournament brackets instantly. Input your participants and create fair, unbiased matchups with interactive bracket visualization, PDF export, and shareable results. Perfect for sports tournaments, gaming competitions, and office contests. New
Random Truth or Dare Generator - Generate fun Truth questions and Dare challenges for parties, sleepovers, and social gatherings. Features intensity levels, custom questions, card-flip animations, and a built-in spinner to add excitement to your game nights. New
Random US State Generator - Pick one or more random US states from all 50 states. Filter by region, view capitals, populations, nicknames, and fun facts. Great for geography quizzes, travel planning, road trips, or educational games. New
Random User-Agent Generator - Generate random, realistic User-Agent strings for various browsers and devices. Perfect for web scraping, compatibility testing, bot detection testing, and development. Includes Chrome, Firefox, Safari, Edge, mobile browsers, and search engine bots. New
Random User Persona Generator - Generate complete fictional user personas with names, avatars, demographics, job titles, income levels, interests, personality traits, and backstories. Perfect for UX designers, marketers, product managers, and anyone who needs realistic user profiles for user journey mapping, A/B testing, and market research. New
Random Word Generator - Generate random words (up to 20 words at once) with AI-powered definitions, syllable counts, and usage examples. Filter by part of speech, word length, and more.
Random Writing Prompt Generator - Generate creative writing prompts across Sci-Fi, Romance, Mystery, Fantasy, Horror, and more. Get story starters, plot twists, character scenarios, and dialogue sparks to cure writer's block instantly. New
Randomize Lines - Shuffle and randomize the order of lines in your text with multiple algorithms, statistics tracking, before/after comparison, and advanced text processing options.
Randomize Numbers - Randomize, shuffle, and reorder a set of numbers instantly. Supports sorting, duplicate removal, multiple output formats, and range-based generation.
Rock Paper Scissors Generator - Play Rock Paper Scissors against an intelligent AI opponent with multiple difficulty levels, or generate random moves for fair dispute resolution. Features stunning hand gesture animations, win streaks tracking, and detailed game statistics. New
Spin the Wheel - Enter a custom list of choices, spin the colorful wheel, and let it visually select a random winner. Perfect for giveaways, raffles, decision making, and fun random selection with beautiful animations. New
Sports
Baseball
At Bats per Home Run Calculator - Calculate at bats per home run (AB/HR) ratio with performance analysis, MLB legend comparisons, and visual power gauge. Evaluate batting power using this essential baseball statistic.
Batting Average Calculator - Calculate batting average in baseball by entering hits and at-bats. Get detailed statistics, performance ratings, and step-by-step calculations with visual baseball-themed results. Featured
ERA Calculator - Calculate ERA (Earned Run Average) for baseball pitchers. Analyze pitching performance with detailed statistics and visualizations. Featured
FIP Calculator - Calculate Fielding Independent Pitching (FIP) for baseball pitchers with visual performance scale, step-by-step formula breakdown, and comparison to MLB benchmarks.
On Base Percentage Calculator - Calculate on-base percentage (OBP) with instant MLB-level analysis, player comparisons, visual breakdown, and performance ratings. Free OBP calculator for baseball and softball statistics. Featured
OPS Calculator - Calculate OPS (On-base Plus Slugging), OBP (On-base Percentage), SLG (Slugging Percentage), and batting average with visual breakdown, performance rating, and step-by-step calculation display. Featured
Slugging Percentage Calculator - Calculate baseball slugging percentage (SLG) with interactive visualizations, player performance ratings, MLB benchmark comparisons, and comprehensive hitting power analysis. Featured
Strikeout-to-Walk Ratio Calculator - Calculate the strikeout-to-walk ratio (K/BB) with performance rating, historical comparisons, step-by-step formula breakdown, and pitcher control analysis for baseball statistics.
Total Bases Calculator - Calculate total bases (TB) in baseball with interactive diamond visualization, step-by-step formula breakdown, slugging percentage context, and hit distribution analysis.
WAR Calculator - Calculate Wins Above Replacement (WAR) for baseball players including position player WAR (batting, baserunning, fielding) and pitcher WAR with step-by-step calculations, visualizations, and player value analysis. Featured
WHIP Calculator - Calculate WHIP (Walks + Hits per Inning Pitched) instantly with quality ratings, step-by-step formula breakdown, MLB benchmark comparisons, and partial innings support. Essential for baseball analytics, fantasy sports, and coaching. Featured
Basketball
Effective Field Goal Percentage Calculator - Calculate Effective Field Goal Percentage (eFG%) with step-by-step formulas, shooting efficiency analysis, performance rating, and visual breakdown of 2-point vs 3-point contributions.
Field Goal Percentage Calculator - Calculate field goal percentage (FG%) instantly for basketball and other sports statistics. Enter made and attempted shots to get accurate shooting percentage and performance metrics. Featured
PER Calculator - Calculate Player Efficiency Rating (PER) for basketball players with interactive charts, performance benchmarks, and comprehensive statistical analysis. Featured
Rebound Rate Calculator - Calculate Offensive Rebound Percentage (ORB%), Defensive Rebound Percentage (DRB%), and Total Rebound Percentage (TRB%) with step-by-step formulas, visual analysis, and performance ratings for basketball analytics.
True Shooting Percentage Calculator - Calculate true shooting percentage (TS%) to measure basketball shooting efficiency including field goals, 3-pointers, and free throws.
Usage Rate Calculator - Calculate basketball Usage Rate (USG%) with visual breakdowns, step-by-step formula explanations, and player type analysis. Enter FGA, FTA, turnovers, and minutes to analyze offensive involvement.
Text Tools
Other Text Tools
Anagram Generator - Generate all possible anagrams of any word with dictionary validation across 10 languages. Perfect for Scrabble, crossword puzzles, and word games. Instant results with sorting and filtering options.
Bionic Reading Converter - Transform any text into bionic reading format by bolding the first letters of each word. Create artificial fixation points that guide your eyes and help you read faster and retain more. New
Compare Two Strings - Compare two strings with character-by-character analysis, similarity metrics, visual diff maps, and detailed comparison statistics. Featured
Find Longest Line - Find the longest line in your text with detailed analysis. Compare line lengths, view rankings, and get character/word/byte counts for each line.
JSON to YAML Converter - Convert JSON data to YAML format instantly with syntax highlighting, validation, and formatting options. Essential for DevOps, configuration management, Kubernetes, Docker Compose, and CI/CD pipelines. New
AI Language Detector - Detect and identify languages in any text using advanced AI technology. Supports 100+ languages with confidence scores, script identification, and multilingual text analysis.
Text Column Extractor - Extract vertical columns from structured text data with ease. Perfect for log files, CSV data, space-separated values, and command output. Select specific columns by number, choose delimiters, and get clean results instantly. New
Text Line Processor - Process text lines with powerful operations: add line numbers, prefixes, suffixes, sort, deduplicate, filter, transform case, wrap text, and apply custom templates with real-time preview.
Text to Speech Reader - Convert text to speech using your browser's native voice synthesis. Listen to your text with adjustable speed, pitch, and voice options. Perfect for proofreading and accessibility. New
XML Validator - Validate your XML documents for well-formedness. Get instant syntax error detection with line numbers, document statistics, and structure visualization. New
Subtitle Tools
CSV to SRT Converter - Convert CSV subtitle data to SRT format instantly. Supports multiple time formats, automatic merging, and one-click download.
SRT Merger - Merge multiple SRT subtitle files into one seamless file. Supports timeline adjustments, automatic index renumbering, and preserves subtitle formatting for video editing.
SRT Time Shift - Shift SRT subtitle timestamps forward or backward with millisecond precision. Fix out-of-sync subtitles instantly with visual comparison and download.
SRT to CSV Converter - Convert SRT subtitle files to CSV format instantly with visual timeline preview, statistics dashboard, and multiple output options. Free, secure, and browser-based.
SRT to TXT Converter - Convert SRT subtitle files to plain text. Remove timestamps and formatting, extract clean dialogue text instantly. Featured
VTT to TXT Converter - Convert VTT subtitle files to clean plain text with advanced options for removing timestamps, formatting, speaker labels, and sound tags. Extract text from YouTube captions instantly.
Text Extraction Tools
Email Extractor - Extract all email addresses from any text with domain analysis, duplicate detection, and export options. Fast, accurate email extraction with statistics dashboard. Featured
Number Extractor - Extract integers, decimals, and scientific notation from any text. Get instant statistics including sum, average, min/max, distribution analysis, and multiple export formats. Featured
Phone Number Extractor - Extract phone numbers from text with intelligent format detection, statistics, and export options. Featured
URL Extractor - Extract, analyze, and visualize all URLs from any text with advanced filtering, statistics, and interactive charts. Featured
Text Modification Tools
Add Line Breaks - Add line breaks at sentence endings automatically. Intelligent detection preserves abbreviations like Dr., Mr., Prof. and handles quoted text and multi-language punctuation.
Add Line Numbers - Add line numbers to each line of your text with customizable formats. Perfect for code review, legal documents, scripts, and academic work.
Add Prefix and Suffix to Text - Add custom prefix and/or suffix to each line of text with real-time preview, smart templates, line numbering, and multiple formatting modes for efficient batch text processing. Featured
AI Grammar Checker - Check and correct grammar, punctuation, and style with AI. Get detailed explanations for each correction to improve your writing skills.
AI Paraphraser - Transform your writing with our AI-powered paraphraser. Get two unique versions instantly with quality scoring. Choose from 10 writing styles: Academic, Casual, Formal, Creative, and more. Featured
AI Punctuation Adder - AI-powered tool that automatically adds punctuation to unpunctuated text. Perfect for transcripts, notes, and speech-to-text output. Featured
AI Sentence Expander - Free AI-powered sentence expander that transforms short sentences into detailed, engaging content. Choose from 10 writing styles including Academic, Creative, Professional, and more. Get two unique expanded versions with quality scores instantly. Featured
ASCII Art Generator - Transform plain text into eye-catching ASCII art banners using classic FIGlet fonts. Perfect for terminal art, code comments, README files, signatures, and retro designs. New
Break Line by Characters - Insert line breaks based on maximum character count per line. Smart word wrap ensures words stay intact. Perfect for terminal, email, code comments, and fixed-width text formatting. Featured
Caesar Cipher Tool - Encrypt and decrypt text using the Caesar cipher with interactive visualization, brute force analysis, frequency charts, and step-by-step explanations. New
Fancy Text Generator - Transform ordinary text into eye-catching Unicode fonts like Gothic, Cursive, Bold, Circled, and more. Perfect for Instagram bios, Twitter profiles, Facebook posts, and Discord usernames. New
Find and Replace Text - Find and replace text online with powerful regex support, visual diff comparison, real-time match highlighting, undo/redo history, and file upload. A professional text editing tool for code, data, and documents. New
Invisible Character Remover - Detect and remove zero-width spaces, soft hyphens, and other invisible Unicode characters that cause formatting issues. Clean your text with visual detection map. New
Invisible Text Generator - Generate invisible characters and blank text using Zero Width Spaces, Unicode blank characters, and other invisible symbols. Perfect for creating blank messages, invisible names, or empty text for social media, Discord, WhatsApp, and gaming profiles. New
List Cleaner - Advanced list cleaner to remove duplicates, trim whitespace, sort alphabetically or numerically, filter empty lines, remove prefixes/suffixes, and format lists with multiple output options.
List Difference Calculator - Compare two lists to find unique items in each list and common items. Visualize set differences with an interactive Venn diagram. Perfect for data analysis, list comparison, and finding duplicates. New
Text Case Converter - Convert text to uppercase, lowercase, title case, sentence case, alternating case, inverse case, camelCase, PascalCase, snake_case, kebab-case, and more. Free online text case changer with instant preview and statistics.
Remove Accent - Remove accents and diacritics from text instantly. Convert accented characters (é, ñ, ü, etc.) to their plain ASCII equivalents for URLs, filenames, databases, and more. Featured
Remove Duplicate Lines - Remove duplicate lines from text instantly with multiple modes, case sensitivity options, whitespace handling, and detailed statistics showing lines removed and compression ratio.
Remove Empty Lines - Remove empty lines and whitespace-only lines from text instantly. Clean up your code, documents, and data with visual statistics showing before and after comparison.
Remove Leading Trailing Spaces - Remove leading and trailing spaces, tabs, and whitespace from each line of text with real-time preview, detailed statistics, and multiple trimming options. Featured
Remove Line Breaks - Remove line breaks, carriage returns, and newlines from text with multiple processing modes. Smart paragraph detection, real-time preview, and before/after comparison.
Remove Line Numbers - Remove line numbers from text, code snippets, and numbered lists. Supports multiple formats including 1. , 1: , [1], and custom prefix/suffix patterns.
Remove Lines Containing... - Filter text lines by keeping or removing those containing specific patterns. Supports case-sensitive matching, regular expressions, and whole word matching with real-time statistics and visual feedback. Featured
Remove Punctuation - Advanced punctuation removal tool with selective character filtering, real-time preview, and detailed statistics. Remove or replace periods, commas, quotes, brackets, and more from any text.
Remove Spaces - Remove extra spaces, leading/trailing spaces, blank lines, and normalize whitespace from text. Free online tool with live statistics, visual comparison, and multiple cleanup modes. Featured
Reverse Line - Instantly reverse the order of lines in your text with our interactive tool. Fast, private, and easy to use with real-time statistics and copy functionality.
Reverse Text - Reverse any text instantly with multiple transformation modes: mirror entire text, reverse word order, flip each word individually, or reverse line by line. Free online text reverser with live preview and one-click copy.
Small Text Generator ⁽ᶜᵒᵖʸ ⁿ ᵖᵃˢᵗᵉ⁾ - Transform your text into small fonts including small caps, superscript, and subscript for social media, messaging, and creative content.
String Repeat - Repeat any string or text multiple times with customizable separators, prefix/suffix options, line numbering, and instant copy. Perfect for testing, pattern creation, and data generation.
Text Formatter - A powerful online text formatting tool with multiple options to clean, transform, and beautify your text. Remove extra spaces, change case, add line numbers, sort lines, and more. Featured
Text Repeat - Repeat text any number of times with customizable separators, formatting options, line numbering, and pattern variations. Perfect for generating test data, creating patterns, and duplicating content efficiently.
Text to SQL List Converter - Transform plain text lists into SQL-ready format with single quotes and commas. Perfect for SQL IN clauses, database queries, and data processing. New
Title Case Converter - Convert text to title case with multiple style guides (APA, Chicago, MLA, AP, Simple). Features live comparison, change highlighting, character statistics, and smart acronym detection.
Upside Down Text Generator - Transform your text upside down using special Unicode characters. Perfect for social media posts, fun messages, and creating unique content that stands out. New
Zalgo Text Generator - Transform normal text into creepy glitchy Zalgo text with chaotic diacritical marks. Perfect for Halloween posts, horror themes, memes, and creating mysterious or cursed text effects. New
Text Sorting Tools
Sort Lines Alphabetically - Sort text lines alphabetically with advanced options including case-insensitive sorting, reverse order, numeric sorting, natural sorting, remove duplicates, and interactive visualization of sorting statistics. Featured
Sort Text By Length - Sort text lines by character length with instant visual analysis, statistics, and advanced sorting options. Free online text sorting tool with line length distribution charts and real-time character counting. Featured
Text Statistics Tools
Character Counter - A comprehensive character counter that counts total characters, letters, numbers, symbols, spaces, and provides detailed character type breakdown with visual charts.
Get String Length - Advanced string length calculator that counts characters, bytes, words, lines, and provides detailed character analysis with visual breakdowns.
Line Counter - Count lines, words, characters, sentences, and paragraphs in any text. Features live preview with line numbers, blank line detection, code analysis mode, and interactive statistics visualization. Featured
Readability Score Calculator - Analyze text and calculate multiple readability scores (Flesch-Kincaid, Gunning Fog, SMOG, etc.) to determine the reading grade level required to understand your content. New
Word Counter - A comprehensive word counter that counts words, characters, sentences, paragraphs, and provides reading time estimates.
Time and Date
Date Tools
Birth Day of the Week Calculator - Discover what day of the week you were born, your zodiac signs, birthstone, and explore your upcoming birthdays.
Calendar - Create beautiful printable monthly and yearly calendars for any year from 1 to 3999. Features today highlighting, leap year indicators, and print-ready designs.
📅 Date Calculator - Add or subtract days, weeks, months, and years to/from a date with step-by-step calculations, interactive visualizations, and comprehensive date insights. Featured
Day of the Week Calculator - Find the day of the week for any date. Features visual calendar display, historical context, day characteristics, and detailed date information with zodiac signs and seasons.
Day of the Year Calculator - What Day of the Year Is It Today? - Find what day of the year it is with our interactive calculator. See year progress, week number, quarter, days remaining, and a visual calendar view for any date. Featured
Day of Year Calendar - Find the day number (1-365/366) for any date. Interactive calendar with year progress tracker, week numbers, quarter breakdown, and instant lookup for 2026. Featured
Days Between Two Dates - Calculate the exact number of days, weeks, months, and years between two dates with visual timeline, business days calculation, and detailed time breakdown.
Days in Month - Calculate the number of days in any month for any year with visual calendar display, leap year detection, and historical date information.
Is it April Fool's Day? - Check if today is April Fool's Day. See a live countdown to the next April 1st, explore the history and global traditions of April Fools' Day, and discover famous pranks from around the world.
Is it Christmas? - Check if today is Christmas Day (December 25th) with a live countdown timer, days remaining, fun facts, and Christmas celebration details from around the world.
Leap Year Calculators
Is it Leap Year? - Check if any year is a leap year with visual rule testing, find all leap years in a range, discover the next or previous leap year, and explore leap year patterns with an interactive calendar grid.
Leap Years List - Generate a complete list of leap years between any two years from 1600 to 4000. Visual timeline with patterns, statistics, and interactive year checker. Featured
Next Leap Year Calculator - Find the next leap year from any given year with visual timeline, leap year checker, and educational content about the Gregorian calendar 400-year cycle.
When is Leap Year? - Find out when is the last and next leap year, check if any year is a leap year, view leap year lists, and explore the leap year rules with interactive visualizations.
Season Calculators
Autumnal Equinox Day - Find the exact date and time of the autumnal equinox for any year from 2000 to 2038, with countdown, season duration, multi-year comparison, and astronomical insights.
First Day of Autumn - Find the exact date and time of the first day of autumn (fall equinox) for any year. Includes countdown timer, hemisphere selection, and comprehensive seasonal information.
First Day of Spring - Find the exact date and time of the first day of spring (vernal equinox) for any year from 2000 to 2038, with live countdown, season duration, all seasonal events, and multi-year comparison.
First Day of Summer - Find the exact date and time of the first day of summer (summer solstice) for any year from 2000 to 2038, with live countdown, daylight hours, all seasonal events, season duration, and multi-year comparison.
First Day of Winter - Find the exact date and time of the first day of winter (winter solstice) for any year from 2000 to 2038, with live countdown, season duration, all seasonal events, and multi-year comparison.
Longest Day of the Year - Find the longest day of the year (summer solstice) with exact date, time, daylight hours, and astronomical details for your hemisphere.
Shortest Day of the Year - Find the shortest day of the year (winter solstice) for any year. Discover when the winter solstice occurs in your hemisphere with exact date, time, countdown timer, and educational astronomical information.
Summer Solstice Day - Find the exact date and UTC time of the summer solstice for any year from 2000 to 2099, with countdown timer, daylight hours estimate, and detailed astronomical context for both hemispheres.
Vernal Equinox Day - Find the exact date and time of the vernal (spring) equinox, autumnal equinox, summer solstice, and winter solstice for any year from 1 to 9999. Includes all four seasonal events with UTC times.
Winter Solstice Day - Find the winter solstice (shortest day of the year) with exact date, time, daylight hours, and astronomical details for your hemisphere.
Time Calculators
Decimal to Time Converter - Convert decimal hours to hours, minutes and seconds with step-by-step breakdown, multiple output formats, and visual time representation.
Time Duration Calculator - Calculate the exact time duration between two times or dates. Get results in multiple formats including hours, minutes, seconds, work hours, and visual timeline representation. Featured
Time to Decimal Converter - Convert time in hours, minutes, and seconds to decimal format for payroll, billing, and timesheet calculations. Features visual clock dial, step-by-step breakdown, and copy functionality.
Unix Time Converter - Convert Unix timestamp to human-readable date/time or convert date/time to Unix timestamp. Features live clock, multiple timezone support, and various date formats.
Work Hours Calculator - Calculate your weekly work hours with visual analytics, overtime tracking, break management, and printable timesheet. Track daily totals, weekly summary, monthly estimates, and hourly pay calculations. New
Webmaster Tools
CPC Calculator - Calculate Cost Per Click (CPC), CPM (cost per 1,000 impressions), and CTR (click-through rate) with visual funnel diagram, campaign benchmarks, and step-by-step formulas.
CPM Calculator - Calculate CPM (Cost Per Thousand Impressions), campaign cost, and ad impressions with visual breakdowns, industry benchmarks, and step-by-step formulas for digital advertising optimization.
Cron Job Generator - Create cron job expressions with an intuitive visual builder, real-time syntax validation, human-readable descriptions, and next execution preview. Perfect for scheduling Linux/Unix tasks.
Crontab Expression Generator - Create cron job expressions with an intuitive visual editor. Build complex scheduling rules for Linux crontab without memorizing syntax. Features live preview, human-readable explanations, and common schedule presets. New
CSS Compressor - Compress and minify CSS code online for free. Reduce CSS file size by removing whitespace, comments, and unnecessary characters. See detailed compression statistics and comparison.
cURL to JSON Converter - Convert cURL commands into structured JSON format or ready-to-use code snippets for Python, Node.js, PHP, and Go. Perfect for API testing, documentation, and development workflows. New
Favicon Generator - Convert any image (PNG, JPG, WebP) into a standard .ico file and generate all necessary icon sizes for modern browsers, Apple devices, and Android. Includes 16x16, 32x32, 48x48, 64x64, 128x128, 180x180 (Apple Touch), 192x192, and 512x512 icons with live preview and one-click download. New
Google AdSense Calculator - Calculate and estimate your Google AdSense earnings with our free calculator. Analyze page impressions, CTR, CPC, eCPM, and projected revenue with interactive visualizations and earnings breakdown.
Googlebot Crawl Size Checker - Check the uncompressed size of any URL (HTML or PDF) to ensure it fits within Googlebot's crawling limits. Detect if your content exceeds the processing threshold (e.g., 2MB for HTML, 64MB for PDF) and prevent indexing truncation. New
Htaccess Redirect Generator - Generate correct Apache .htaccess code snippets for 301 redirects, HTTPS enforcement, IP blocking, www normalization, and URL rewriting. Features live preview, visual flow diagrams, and copy-ready code with detailed explanations. New
HTML Compressor - Compress and minify HTML code online. Remove whitespace, comments, and line breaks to reduce file size with visual compression statistics.
HTML Entity Encoder/Decoder - Convert special characters to their corresponding HTML entities (encoding) or decode HTML entities back to normal text (decoding) for safe display of code on websites. New
HTML to Text Converter - Convert HTML code to plain text by removing all HTML tags, scripts, styles, and comments. Extract readable content instantly with detailed conversion statistics.
JSON String Escape/Unescape - Escape special characters (quotes, backslashes, newlines, etc.) in a string so it can be safely used inside a JSON structure, or revert escaped JSON strings back to their original form. New
Keyword Density Checker - Analyze text to find the most frequently used words and phrases (1-word, 2-word, 3-word) and their percentage usage. Essential tool for SEO optimization and content analysis. New
Lorem Ipsum Generator - Generate customizable Lorem Ipsum placeholder text for web design and mockups. Create paragraphs, sentences, or words with HTML formatting options. New
Markdown Table Generator - Convert CSV data or tab-separated text columns directly into a formatted Markdown table structure for use in GitHub READMEs, documentation, and other Markdown documents. New
Meta Tag Generator - Generate SEO meta tags, Open Graph tags, and Twitter Card tags with live preview for Google, Facebook, and X (Twitter). Real-time character counters and one-click copy.
Smart Quotes Remover - Replace curly smart quotes and apostrophes (created by Word processors) with standard straight quotes to fix code syntax errors and ensure compatibility. New
SQL Formatter - Format and beautify messy SQL queries into clean, readable code. Supports Standard SQL, MySQL, and PostgreSQL with customizable indentation, keyword casing, and live preview. Perfect for developers, DBAs, and data analysts. New
SVG Optimizer - Optimize and compress SVG files online for free. Remove unnecessary code, minify colors, round numbers, and reduce file size without losing visual quality. Perfect for web performance optimization. New
Unix Permission Calculator (chmod) - Interactively calculate Unix/Linux file permissions (chmod) with visual permission matrix, security risk assessment, terminal preview, and ready-to-use commands.
URL Slug Generator - Convert article titles and text into clean, SEO-friendly URL slugs with lowercase letters, alphanumeric characters, and hyphens for better search engine optimization. New
Value of A Page View Calculator - Calculate the monetary value of each page view on your website. Analyze revenue per visitor, CPM equivalent, break-even traffic, and compare with industry benchmarks to optimize your content monetization strategy.
Value of A Visitor Calculator - Calculate the monetary value of each website visitor with revenue analysis, conversion funnel visualization, and actionable insights to optimize your traffic ROI.
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