No sign-up · Nothing to install · 15 languages
1,970+ 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.
- 11 millionpeople used MiniWebtool in the past year
- 2 milliontool runs every month
- 200+countries
- 16 yearsonline, since 2010
More than a list of calculators
Two things we built ourselves: a solver that finds the right math tool for your problem, and an embed code that puts any tool on your own website.
Type a math problem. Get the answer and every step.
Fractions, equations, systems, roots, logarithms, derivatives and integrals. The solver reads your problem, picks the right one of our 461 math tools and opens it with your numbers filled in and the working shown.
- 461 math tools behind one box
- Step-by-step working, not just an answer
- Works in 15 languages
The tools people open every day
Ranked by real usage across MiniWebtool.
Every tool, neatly organized
Jump straight to the topic you need, or open a category to see everything in it.
Miscellaneous
Image, video, audio and PDF tools, unit converters and hundreds of everyday helpers.
Financial Calculators
Loans, mortgages, investing, salary and tax: the numbers behind money decisions.
Health and Fitness
BMI, calories, heart-rate zones, running pace, pregnancy and baby tools.
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.
- 11 million people used MiniWebtool in the past year
- 2 million tool runs every month
- 200+ countries
Built to be relied on
MiniWebtool has been answering everyday questions for 16 years. Here is what we keep getting right.
Answers you can check
Most calculators show the formula and the working behind the result, so you can see exactly how the number was reached.
Your files stay with you
Many image, video, audio and PDF tools run entirely in your browser, so your files are never uploaded.
No sign-up, nothing to install
Open a tool and use it. Paid plans are optional, and checkout is handled securely by Stripe.
Real people behind it
Questions and bug reports go straight to the people who build the tools, and they get answered.
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
$0
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
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
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
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
Cancel anytime · Secure checkout by Stripe · No account needed
Use MiniWebtool wherever you work
Developer API
Call our calculators from your own code through a simple JSON API, or connect them to AI assistants over MCP.
Chrome extension
Keep every MiniWebtool tool one click away in your browser toolbar.