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21 tools availableAll run in-browser

CSS Formatter & Minifier

Beautify unformatted CSS or minify CSS for production. Supports media queries, pseudo-selectors, and nested rules.

Indent:
CSS Inputcss
0 chars
Formatted CSScss
0 chars

About this css formatter & minifier

The CSS formatter and minifier helps you switch between readable stylesheet code and compact production CSS. It is designed for quick checks when you inherit a compressed stylesheet, copy rules from browser dev tools, or need to compare generated CSS output.

Common uses

  • Beautify minified CSS copied from a deployed page.
  • Compact small CSS snippets before embedding them in demos or emails.
  • Inspect generated Tailwind, framework, or build-tool CSS output.

Practical notes

Run critical production CSS through your project build pipeline before release because bundlers can also handle prefixing and dead-code removal.

When debugging cascade issues, format first so selectors and nested media queries are easier to compare.

Frequently Asked Questions

Why minify CSS?

Minified CSS removes all whitespace, comments, and unnecessary characters, reducing file size and improving page load times in production environments.

Does the beautifier handle all CSS features?

Yes. The CSS beautifier handles standard rules, media queries, keyframe animations, pseudo-classes, pseudo-elements, and CSS variables.

All processing happens in your browser. No data is sent to any server.