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1,950+ free online tools, all in one place

Calculators, converters, and image, video, PDF and text tools that just work. Open a tool, get your answer, get on with your day.

Mortgage Calculator Monthly payment $2,212.24 $350,000 · 6.5% · 30 years Image Resizer Resized 4032×3024 → 1200×900 Random Name Picker Wheel Spin

11 millionpeople used MiniWebtool in the past year
2 milliontool runs every month
200+countries
16 yearsonline, since 2010

Most used

The tools people open every day

Ranked by real usage across MiniWebtool.

Top and recently updated tools

Instagram User ID LookupLookup Tools Random PickerRandomness Random Name Picker WheelRandomness Facebook User ID LookupLookup Tools Image ResizerImage Tools Sort NumbersBasic Math Operations FPS ConverterVideo Tools RSD Calculator - Relative Standard DeviationStatistics And Data Analysis Remove SpacesText Modification Tools Random Quote GeneratorRandomness Line CounterText Statistics Tools Roman Numerals ConverterNumber System Converters

Every tool, neatly organized

Jump straight to the topic you need, or open a category to see everything in it.

307 tools

Financial Calculators

Loans, mortgages, investing, salary and tax: the numbers behind money decisions.

693 tools

Miscellaneous

Image, video, audio and PDF tools, unit converters and hundreds of everyday helpers.

123 tools

Health and Fitness

BMI, calories, heart-rate zones, running pace, pregnancy and baby tools.

144 tools

Text Tools

Count, clean, convert and compare text, plus AI writing helpers.

57 tools

Time and Date

Date differences, business days, countdowns, time zones and calendars.

72 tools

Randomness

Name picker wheels, dice, coin flips, passwords and random test data.

51 tools

Webmaster Tools

SEO checkers, DNS and WHOIS lookups, code formatters and generators.

461 tools

Math

Algebra, calculus, statistics, geometry and everyday arithmetic.

20 tools

Hash and Checksum

MD5, SHA-256, bcrypt, CRC32 and other hash and checksum generators.

31 tools

Sports

Baseball, basketball, cricket and golf statistics calculators.

Media studio

Edit images, video, audio and PDFs in your browser

Most media tools work on your own device, so your files never wait in an upload queue and nothing needs installing.

Image Resizer Image Compressor Passport Photo Maker Image Splitter Add Text to Image Image Upscaler Image Cropper Transparent Background Maker

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Plans

Free for everyday use. Pro when it's your work.

Every tool is free to use. Upgrade when you need higher daily limits, no ads or batch downloads.

Free

For everyday tasks

forever

Every tool, no sign-up needed
3 runs a day on capped tools
3 AI credits a day for AI text tools
Supported by ads

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Pro

For working hours

$3.33/ month

billed $39.99 a year
or $5.99 month to month

60 runs a day on every capped tool
No ads anywhere on the site
Batch ZIP downloads for image, PDF and video tools
500 AI credits a month

Get Pro

Premium

No daily limits

$5.83/ month

billed $69.99 a year
or $9.99 month to month

Unlimited runs on every capped tool
Unlimited time on video and audio tools
1,500 AI credits a month
Priority email support from the founder

Go Premium

Team

For companies and schools

from$29/ month

for up to 5 people

Premium for everyone on the plan
Tools unlocked on your intranet pages
Plans for 5, 15 or 50 people
Invoice or purchase order on annual plans

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Beyond the website

Use MiniWebtool wherever you work

On your website

Add any tool to your pages with a free embed code. A Site license removes the limits for your visitors.

Site plans from $19 a month

Embed code and Site licenses

Developer API

Call our calculators from your own code through a simple JSON API, or connect them to AI assistants over MCP.

Explore the API

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Keep every MiniWebtool tool one click away in your browser toolbar.

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All subcategories

Advanced Math Operations (67) Algebra Calculators (41) Analysis Tools (2) Annuity Calculators (8) Area Calculators (12) Area Converters (16) Astronomy Tools (5) Audio Tools (15) Baseball (11) Basic Math Operations (54) Basketball (6) Bond Calculators (9) Bowling (1) Calculus (48) Chemical Calculators (26) Climbing (1) Color Tools (14) Construction And DIY Calculators (52) Cooking Tools (26) Craft Tools (14) Credit Card Calculators (3) Cricket (4) Cryptocurrency Calculators (7) Darts (1) Date Tools (31) Debt Calculators (7) Discount Calculators (3) DIY & Crafts (3) Efficiency Calculators (12) Electronics Tools (32) Encoders And Decoders (13) Environmental Calculators (12) Fertility Calculators (7) File Conversion (2) Financial Ratio Calculators (8) Fishing (1) Fitness Calculators (49) Forex Calculators (1) Forex Tools (1) Fraction Calculators (13) Fun (33) General Tools (132) Geometry Calculators (45) Golf (2) Health Calculators (32) Health Indicator Calculators (11) Image Tools (45) Interest Calculators (5) Interest Rate Calculators (8) Investment Calculators (38) Key Generators (5) Leap Year Calculators (4) Length Converters (11) Leverage Calculators (3) Linear Algebra (31) Loan Calculators (32) Logarithm Calculators (4) Lookup Tools (5) Medical Calculators (13) Number System Converters (28) Number System Converters (2) Occult Calculators (32) Other Financial Calculators (45) Other Text Tools (65) PDF Tools (15) Percentage (6) Pet Calculators (15) Photography Tools (6) Physics Calculators (55) Pregnancy Calculators (11) Pressure Converters (4) Profit Calculators (5) Profitability Calculators (26) Real Estate Calculators (23) Return Calculators (11) Rugby (1) Salary And Tax Calculators (24) Season Calculators (10) Sequence Tools (17) Soccer (1) Statistics And Data Analysis (69) Stock Calculators (5) Student Calculators (19) Subtitle Tools (6) Tennis (2) Text Extraction Tools (4) Text Modification Tools (51) Text Sorting Tools (2) Text Statistics Tools (16) Time Calculators (12) Trading Calculators (8) Trigonometry Calculators (17) TVM Calculators (10) Unit Converters (28) Valuation Calculators (6) Video Tools (24) Volume Calculators (9) Volume Converters (21) Weight Converters (8)