Unminify Tools
Expand minified or compressed code — unminify JavaScript, CSS, TypeScript, SCSS, LESS, SQL, YAML and other formats when debugging or reviewing.
- Expand minified JavaScript or CSS when debugging production bundles.
- Readable SQL, YAML and TOML after paste from logs or CI output.
- Chain with beautify or minify tools from the developer hub.
Unminify JS
Expand minified JavaScript back to readable lines when debugging production bundles.
Unminify CSS
Restore formatting on compressed CSS to trace cascade rules and overrides.
Unminify JSON
Prettify compact JSON logs and API responses for quick structural scanning.
Unminify HTML
Unminify HTML to inspect inline scripts, attributes and nested templates.
Unminify XML
Expand minified XML feeds and configs into readable documents.
Unminify SVG
Unminify SVG paths and attributes when auditing vector assets.
Unminify SQL
Restore readable formatting from minified SQL queries for audits and debugging.
Unminify YAML
Restore readable formatting from minified YAML configs for reviews and debugging.
Unminify TOML
Restore readable formatting from minified TOML configs for reviews and debugging.
Unminify TypeScript
Restore readable TypeScript from minified one-line scripts.
Unminify SCSS
Unminify compressed SCSS into readable Sass.
Unminify LESS
Unminify compressed LESS into readable CSS preprocessor code.
Guides

Code Beautifier Guide: JS, CSS, HTML and JSON
Make minified JS, CSS, HTML and JSON readable. Online beautify vs Prettier/ESLint, pre-commit hooks, and when unminify is the better verb.

How to Minify HTML: Complete Guide for Faster Pages
Learn HTML minification: remove comments, whitespace, optional attributes and shrink pages 15–40%. CLI tools, build plugins, and online minifiers.

JSON Minification Guide — APIs, Config Files & Express
Minify JSON for APIs and config files: JavaScript, Python and jq examples, Express middleware, and when minification beats pretty-printing in production.

Debug Minified JavaScript: Source Maps and DevTools
Debug minified JavaScript without guessing: Chrome pretty-print, source maps in production, and a local unminify step when maps are missing.

CSS Minification Guide: CSSO, Unused CSS, Builds
How to minify CSS in 2026: CSSO (and friends), unused-CSS removal, Vite/Webpack, vs an online minifier. Honest limits before you chase bytes.

JavaScript Minification Guide — Terser and Webpack
How JS minification works: Terser setup, Webpack production config, tree-shaking notes, and when an online minifier is enough.