Beautify and format minified or messy CSS instantly
Free online CSS formatter and beautifier. Paste minified or unformatted CSS and get clean, readable code with proper indentation. Works entirely in your browser.
A CSS formatter takes minified or poorly indented CSS and rewrites it with consistent indentation, spacing, and line breaks — making it much easier to read and edit.
Yes. You can choose 2 spaces (default), 4 spaces, or tabs for indentation.
No. Formatting is purely cosmetic. The browser parses CSS the same way regardless of whitespace or indentation.
Yes. While minification removes all whitespace to reduce file size, formatting adds it back for readability. Use the CSS Minifier to minify again when done.
No. All formatting happens locally in your browser using the js-beautify library. Nothing is transmitted.
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Last updated: January 2025