About CSS Formatter

Format and beautify your CSS code for better readability. This free online tool helps you indent and format messy CSS code properly.

Reformat minified or inconsistently indented CSS so selectors, declarations, at-rules, and nested blocks are easier to review.

Key features

  • Formatting purpose Reformat minified or inconsistently indented CSS so selectors, declarations, at-rules, and nested blocks are easier to review.
  • Supported source Paste a stylesheet or CSS fragment, including media queries, keyframes, custom properties, and supported modern syntax.
  • Style controls Choose the indentation width and any available wrapping or brace preferences before formatting.
  • Formatted result The formatter returns consistently spaced CSS that can be inspected, copied, and compared without changing intended declarations.

How to use CSS Formatter

Follow this workflow to work with CSS stylesheets safely and accurately.

  1. Paste or enter the source Paste a stylesheet or CSS fragment, including media queries, keyframes, custom properties, and supported modern syntax.
  2. Choose formatting rules Choose the indentation width and any available wrapping or brace preferences before formatting.
  3. Format the source Run the formatter after the source parses successfully. It will apply presentation rules without intentionally changing the parsed structure.
  4. Review and copy The formatter returns consistently spaced CSS that can be inspected, copied, and compared without changing intended declarations.

Usage tips

  • Keep a backup before formatting generated CSS whose exact whitespace is used by another build step.
  • Run a CSS linter separately to find unsupported properties, duplicate declarations, and compatibility issues.
  • Minify the reviewed output again for production delivery when bundle size matters.

Frequently asked questions

Reformat minified or inconsistently indented CSS so selectors, declarations, at-rules, and nested blocks are easier to review.
Paste a stylesheet or CSS fragment, including media queries, keyframes, custom properties, and supported modern syntax.
Choose the indentation width and any available wrapping or brace preferences before formatting.
Formatting improves layout but does not guarantee valid CSS or preserve comments and unusual hacks exactly across every parser.