JavaScript tools
Format, minify, validate and inspect JavaScript, TypeScript and JSX.
- JavaScript Deobfuscator Unwrap eval("...") strings with hex and Unicode escapes to see the JavaScript underneath.
- JavaScript Formatter Unminify and reindent JavaScript, including modern syntax, with the indent and brace style you prefer.
- JavaScript Minifier Minify JavaScript with terser, the same minifier used by Vite, webpack and Rollup, without leaving your browser.
- JavaScript Obfuscator Encode JavaScript so it cannot be read at a glance. This is a deterrent, not protection, and the page says so.
- JavaScript Object to JSON Convert a JavaScript object literal, with all the syntax JSON forbids, into valid JSON.
- JavaScript Playground A scratchpad for trying an idea in JavaScript, with a console that understands table, group, time and count.
- JavaScript Pretty Print Reprint JavaScript with Prettier so that line breaks, quotes and commas follow one consistent rule set.
- JavaScript Runner Run a JavaScript snippet in a sandboxed frame and see everything it logs, returns or throws.
- JavaScript Tester Check a snippet for syntax errors, run it, and prove it behaves with built in assert and expect helpers.
- JavaScript Validator Parse JavaScript and get the exact line and column of the first syntax error, with a short profile when the code is clean.
- JSX Formatter Format React components written in JSX with Prettier, running locally, with the usual options.
- TypeScript Formatter Format TypeScript and TSX with Prettier itself, running in your browser, with the common options exposed.
Other categories
- JSON tools
- XML tools
- YAML tools
- CSV and TSV tools
- HTML tools
- CSS tools
- SQL tools
- Code formatters
- Minifiers
- Validators
- Data converters
- Encoders and decoders
- Escape and unescape
- Hash and cryptography
- String and text tools
- Number tools
- Color tools
- Unit converters
- Date and time tools
- Generators
- Random data generators
- Image tools
- Compress and decompress
- Network and DNS tools
- Web and developer tools
- Chart makers
- Cheat sheets
- Fun text tools
- Calculators