CSS Beautifier

Reformat compressed CSS with clean two-space indentation.

Reading time:
2 min
Last updated:
Price:
Free, no signup
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Results (live)

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What the CSS Beautifier does

Paste a mangled or minified stylesheet and get it back readable: one rule per block, properties indented, braces where humans expect them. A wall of minified CSS becomes something you can actually edit.

Indentation and line breaks follow common style-guide conventions, so the output drops cleanly into most projects.

Why the CSS Beautifier is useful

You inherit minified CSS more often than you'd think: a theme with no source files, a vendor's compressed output, a colleague's 'optimised' commit. Editing minified CSS by hand is how bugs are born.

Beautifying first gives you a readable base to work from — and to diff against when something changes.

Also known as: css beautifier, css formatter, free css beautifier, online css beautifier, css beautifier online free, css beautifier tool, best css beautifier tool.

How to use the CSS Beautifier

  1. 1

    Paste the CSS

    Minified, mangled or just inconsistently formatted.

  2. 2

    Get the readable version

    Clean indentation and structure, instantly.

  3. 3

    Copy into your editor

    Edit comfortably, then minify again for production.

Key features

  • Consistent indentation and spacing
  • One declaration per line
  • Handles minified or messy input
  • Copy and download the result

Benefits

  • Make inherited CSS editable again
  • Read vendor stylesheets comfortably
  • Standardise formatting across a team

Real-life use cases

Rescuing a theme

A site owner beautifies a purchased theme's minified CSS to change the brand colour.

Code review

A lead beautifies a compressed diff to review what actually changed.

Learning from a site

A student beautifies a small copied snippet to study how an effect is built.

Tips for the best results

  • Beautify a copy — keep the original file untouched.
  • Comments stripped by minification can't be recovered.
  • Reformat before diffing two versions so the comparison is meaningful.

Conclusion

Turn any stylesheet back into code a human can read and edit.

Frequently asked questions

Can it recover comments from minified CSS?

No — comments removed during minification are lost.

What indentation does it use?

Standard two-space style-guide formatting.

Will it change how the CSS works?

No, only whitespace and layout change.

Does it handle SCSS?

It's designed for plain CSS; nesting may not be preserved perfectly.

Is my code private?

Yes, everything runs in your browser.

Can it fix broken CSS?

It formats structure but won't repair syntax errors.

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