JavaScript / TypeScript
Free browser-based JavaScript / TypeScript tools.
JavaScript Beautifier
Beautify JavaScript code.
JavaScript Minifier
Minify JavaScript code.
JS Obfuscator
Obfuscate JavaScript code.
ES6 to ES5 Converter
Transpile ES6 to ES5.
TypeScript to JavaScript
Strip TS types to JS.
JS Console Playground
Try JavaScript in-browser.
JS Array Formatter
Format JS array literals.
JSON to JS Object
Convert JSON to JS object.
JS Object to JSON
Convert JS object to JSON.
JS Regex Builder
Build JavaScript regex.
Lodash to Native Converter
Replace Lodash with native JS.
Promise Visualizer
Visualize promise chains.
Import Sorter
Sort JS/TS imports.
ESM ↔ CommonJS Converter
Convert between ESM and CJS.
Async/Await Converter
Convert promises to async/await.
Debounce/Throttle Generator
Generate debounce/throttle helpers.
Stack Trace Beautifier
Format JS stack traces.
Error Decoder
Decode framework error codes.
GraphQL Query Formatter
Format GraphQL queries.
GraphQL Schema Validator
Validate GraphQL schemas.
OpenAPI/Swagger Validator
Validate OpenAPI specs.
WebSocket Tester
Test WebSocket connections.