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See allText
Word counters, case converters, and text utilities.
3 tools
Developer
JSON formatters, encoders, and coding helpers.
3 tools
Security
Password generators and security utilities.
1 tool
Fitness
BMI calculators and health-related tools.
1 tool
Calculator
Age, date duration, percentage, and everyday calculators.
3 tools
Featured tools
Word Counter
Count words, characters, sentences and paragraphs instantly.
Case Converter
Convert text to upper, lower, title, camelCase, and more.
JSON Formatter & Validator
Format, minify, and validate JSON with clear error messages.
Password Generator
Generate strong random passwords with Web Crypto.
BMI Calculator
Calculate Body Mass Index in metric or imperial units.
From the blog
See allPractical guides for the tools we build — no fluff, no signup walls.
How to Calculate BMI Accurately with a Free Online Tool
Calculate Body Mass Index correctly in metric or imperial units with a free browser BMI calculator — formula explained, limits included, no signup.
5 Free Developer Tools Every Programmer Should Bookmark
Five browser-based developer tools — JSON formatter, Base64, URL encode, password generator — free, no signup, all running locally in your browser.
How to Count Words Online for Free
Count words in any text instantly with a free browser tool — no signup, no upload. Faster than opening Word or Google Docs for a simple total.