Code Formatter
11 toolsBeautify or minify JS, CSS, and HTML.
Runs in your browser — your files and text stay on your device
Beautify JavaScript, CSS or HTML with the js-beautify library, or minify it with a simple whitespace and comment stripper. Pick the language and mode, paste your code and click Run. The minify option is a quick cleanup, not a production minifier, so use your build tool's minifier for real builds. The code is processed in your browser and isn't uploaded.
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How to use this tool
- 1Choose the language and beautify or minify.
- 2Paste your code on the left and click Run.
- 3Copy the formatted result on the right.
Frequently asked questions
Which formatter does beautify use?
The js-beautify library, the same engine used by many code editors' format-on-save features.
Is minify here safe for production?
The minifier here does basic whitespace/comment stripping for quick cleanup — for production builds use a proper bundler-integrated minifier.