JavaScript & Code

10 tools

Minify, beautify, and lint JavaScript; convert between TypeScript and JavaScript; and transform code across common serialisation formats. Useful for debugging minified bundles, cleaning up third-party scripts, and preparing code snippets for sharing or production.

OpenAPI to TypeScript Client

Generate lightweight TypeScript interfaces and fetch helpers from an OpenAPI JSON or YAML document.

Online HTML Editor

Write, edit and run HTML, CSS and JavaScript code with a live browser preview

JS Minifier

Minify and compress JavaScript to reduce bundle size

JS Formatter

Beautify and format minified or compressed JavaScript

JSON to TypeScript

Paste JSON and get a TypeScript interface automatically

JSON to Zod Schema

Generate a Zod validation schema from a sample JSON object

JSON to Go Struct

Convert JSON to Go struct definitions with proper types

Markdown Previewer

Write Markdown on the left and see live rendered HTML on the right

HTML to Markdown

Convert HTML markup to clean Markdown format

Markdown to HTML

Convert Markdown text to HTML output with live preview

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