CSS Formatter & Beautifier
Messy or minified CSS becomes clean, consistently indented rules you can actually maintain — just paste, format, and copy the result. Nothing is uploaded; it all happens in your browser.
- 100% free
- Private & safe
- Runs in your browser
Why use CSS Formatter?
CSS Formatter is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- CSS stylesheets
- Paste your CSS.
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use CSS Formatter
- Paste your CSS.
- Click Format to indent and normalize the rules.
- Review the tidy output.
- Copy or download the formatted CSS.
Examples
- Beautifying minified CSS from a bundle.
- Standardizing spacing across a stylesheet.
Supported formats & limits
- CSS stylesheets
Limitations
- Formatting applies consistent spacing; it does not merge or optimize selectors.
- Unusual at-rules are formatted with general rules.
Frequently asked questions
Does it optimize my CSS?
No, it reformats for readability. Use a build tool for minification/optimization.
Can it expand minified CSS?
Yes, that is a primary use.
Is anything uploaded?
No — it runs in your browser.
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