Browse by Category
Pick a category to explore all tools — no sign-up, no downloads, just free tools that work.
PDF & Docs
Merge, split, compress, protect, sign, rotate, and convert PDF files online.
Image Tools
Compress, resize, crop, rotate, convert, and enhance images using AI.
Text & Encoders
Word counter, Base64, URL encode/decode, case converter, fancy text, and more.
Timers & Clocks
Countdown timers, stopwatch, Pomodoro, world clock, age calculator, and date tools.
Security
Password generator, hash generator, JWT decoder, UUID generator, text encryption, and more.
Developer Tools
JSON formatter, Regex tester, SQL formatter, CSS gradient generator, and more.
Color Tools
Color palettes, HEX/RGB/HSL converters, contrast checker, color blindness simulator, and more.
Unit Converters
Convert length, weight, temperature, volume, speed, area, pressure, and more.
Math & Calc
Scientific calculator, percentage, fractions, BMI, compound interest, and 20+ more.
Business Tools
Create professional quotations, invoices, and business documents online — free.
Audio Tools
Trim and edit audio files, keep time, and tune up — nothing is uploaded.
Video Tools
Convert clips to GIF, extract the audio, and grab frames — all in your browser.
190+ Free Online Tools in 12 Categories
useToolify offers more than 185 free micro-tools across 12 categories — covering image compression and background removal, PDF editing, developer utilities, finance calculators and unit converters. All tools run in your browser, meaning your data never leaves your device.
Whether you're a student, professional, developer, or everyday user, there's a tool for you. Browse by category above or use the search bar on the home page to find exactly what you need.
All tools are free, require no sign-up, and work on desktop and mobile browsers. Our AI image tools remove backgrounds, upscale photos and erase objects directly in your browser.