Free online tools
Free online tools that work instantly in your browser. No account required.
72 tools across 8 categories
Webtools is a collection of free browser-based utilities covering text, numbers, colors, code, time, conversions, word games, and random tools. Every tool runs entirely in your browser — your data never leaves your device, and there is nothing to install or configure.
Whether you need to convert a Roman numeral, decode a JWT, check color contrast for accessibility, calculate a percentage, or generate a secure password, you'll find a purpose-built tool here. New tools are added regularly across all categories.
Free online tools for words, language, and writing
- Scrabble Word Finder
- Word Unscrambler
- Anagram Solver
- Rhyme Finder
- Syllable Counter
- Pig Latin Translator
- NATO Phonetic Alphabet
- Crossword Solver
Free online calculators and number tools
- Calculator
- Percentage Calculator
- Tip Calculator
- Fraction Calculator
- Ratio Calculator
- Loan Calculator
- Compound Interest
- Statistics Calculator
- Salary Converter
Free online text manipulation and formatting tools
- Case Converter
- Character Counter
- Lorem Ipsum Generator
- Text Diff Checker
- Find and Replace
- Sort & Dedupe Lines
- Slug Generator
- Word Frequency
- Markdown → HTML
Free online unit and format conversion tools
- Unit Converter
- Temperature Converter
- Currency Converter
- File Size Converter
- Roman Numeral Converter
- Number Base Converter
- Cooking Conversions
- Coordinate Converter
- Running Pace
Free online color tools for designers and developers
- Color Converter
- Palette Generator
- Contrast Checker
- Gradient Generator
- Color Blindness Simulator
- Tints & Shades
- Color Name Finder
- Tailwind Color Matcher
Free online developer utilities and code tools
- JSON Formatter
- Base64 Encoder
- URL Encoder
- JWT Decoder
- UUID Generator
- Hash Generator
- Regex Tester
- YAML ↔ JSON
- CSV ↔ JSON
- SQL Formatter
Free online date and time tools
- Timestamp Converter
- Timezone Converter
- Date Difference Calculator
- Age Calculator
- Cron Parser
- Working Days
- Pomodoro Timer
- Meeting Planner
- Stopwatch
- Date Arithmetic
Free online random generators and pickers
- Password Generator
- Random Number Generator
- Dice Roller
- Coin Flipper
- Random Picker
- Lottery Numbers
- Team Randomizer
- Random Word
- Wheel of Names
Browser-based tools that just work
All tools on Webtools run directly in your browser using JavaScript. There's no server processing your input, no account to manage, and no data stored anywhere. This makes the tools fast to load and safe to use with sensitive data like passwords or private text.
A tool for every common task
From developers formatting JSON or decoding JWTs, to designers checking color contrast, to writers counting characters or generating placeholder text — Webtools has a dedicated tool for the tasks people search for every day. All free, all instant, all in one place.