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CSS Formatter & Beautifier — Free & Private (In-Browser)

Beautify or minify CSS in your browser. Reliable, well-tested formatting engine. No upload, no signup. Free and unlimited.

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All free, all private — everything runs in your browser.

How to use CSS Formatter

  1. 1Paste your input into the box, or upload a file.
  2. 2Pick the desired output (beautified or minified) and any options.
  3. 3The CSS Formatter reformats the input locally in your browser.
  4. 4Copy the result or download it as a file.

CSS Formatter FAQ

Can it minify CSS too?
Yes — toggle between beautified and minified CSS. Both run locally in your browser.