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Every tool you use daily, in one place
Calculators, PDF and image tools, text utilities and developer tools. They run in your browser: your files and data never leave your device.
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- 34
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- languages: English & Spanish
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View all- 7 tools
Text
Count, clean, transform, compare and listen to your text.
Word counter · Case converter · Text cleaner
- 8 tools
Calculators
Percentages, VAT, BMI, grades, hours, dates and finance.
Percentage calculator · VAT calculator · Finance calculator
- 4 tools
Converters
Units, number to words, Roman numerals and colors.
Unit converter · Number to words · Roman numerals
- 5 tools
Images & PDF
Compress, convert and merge files without uploading them.
Image compressor · Image resizer & converter · Image to PDF
- 6 tools
Developer
JSON, Base64, JWT, UUID, hashes and URL encoding.
JSON formatter · Base64 encode & decode · JWT decoder
- 4 tools
Utilities
Passwords, notepad, timer and random picker.
Password generator · Online notepad · Stopwatch & timer
Most popular
View allWord counter
Count words, characters, sentences and paragraphs in real time.
APA citation generator
APA 7 and IEEE references for websites, books and articles.
Percentage calculator
Discounts, increases, percent change and percent of a number.
VAT calculator
Add or remove VAT / sales tax from a price with a clear breakdown.
Date calculator
Days between dates, business days, exact age and add days.
- New
BMI calculator
Body mass index with the WHO classification.
- New
Rule of three
Direct and inverse proportion solver with the working shown.
Unit converter
Length, weight, temperature, volume and speed instantly.
- New
Number to words
Convert numbers and amounts to words for checks and invoices.
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Tools process everything in your browser. Compressing an image or merging a PDF never uploads anything.
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Practical guides
View allLearn the rule and apply it right away with the tool.
- Academic writing
How to Cite in APA 7th Edition
A practical guide to citing websites, books, and journal articles in APA 7, with current rules, examples, and the mistakes to avoid.
Read guide - Personal finance
How to Make a Personal Budget
A step-by-step method for building a simple, realistic monthly budget you can actually keep, including how to use the 50/30/20 rule.
Read guide - Personal finance
Compound Interest Explained
What compound interest is, how to calculate it, and why time, rate, and regular contributions change your final balance so much.
Read guide