Free CSS Formatter & Beautifier
Format CSS in your browser with js-beautify. Indent control, newlines between rules, local processing.
Sample CSS
About CSS Formatter
Beautify CSS with `js-beautify`’s CSS printer: `indent_size` plus `newline_between_rules: true`, then copy output.
How it works (technical)
Library: `js-beautify` — `import { css as beautifyCss } from 'js-beautify'`. Call: `beautifyCss(input, { indent_size, newline_between_rules: true })`.
Whitespace-only; cascade and specificity unchanged. SCSS/Less may only partially format.
Runs in-browser; stylesheet text is not uploaded to WebTooly for formatting.
When to use it
Minified bundles
Expand one-line CSS from a build before you diff or annotate.
Inherited stylesheets
Normalize inconsistent spacing before a refactor.
Reviews
Make selectors and blocks easier to scan in a PR.
How to Use CSS Formatter
- 1Paste your CSS code into the input area.
- 2Choose your preferred indentation size.
- 3Click "Format CSS" to beautify your stylesheet.
- 4Copy the formatted CSS from the output area.
Key Features
- `js-beautify` CSS module
- Indent 2 or 4
- `newline_between_rules`
- Copy output
Benefits
- •Same beautifier family as many editors
- •Local paste only
- •Readable diffs after reformat
Frequently Asked Questions
Will formatting affect my CSS styles?
No, CSS formatting only changes whitespace and indentation. Your styles will render exactly the same in browsers.
Can I format SCSS or LESS?
This tool is optimized for standard CSS. SCSS and LESS may work for basic formatting, but preprocessor-specific syntax might not format perfectly.
Should I format CSS before or after minifying?
Format CSS during development for readability. Minify only for production deployment to reduce file size.