CSS Beautifier Online
Free online CSS formatter: beautify minified CSS with proper indentation — 100% in your browser, no upload.
About CSS Formatter
CSS Formatter turns minified or messy stylesheets into clean, readable CSS with proper indentation and one rule per block. Everything runs locally in your browser — your styles are never sent to a server.
How to use CSS Formatter
- Paste your CSS into the input box.
- Choose the indent size and click Beautify.
- Copy the result or download it as a .css file.
Frequently asked questions
Is CSS Formatter really free?
Yes — CSS Formatter is completely free, with no account, no watermark, and no usage limits. It runs entirely in your browser.
Are my files uploaded to a server?
No. All processing happens locally on your device using WebAssembly. Your files never leave your computer — close the tab and nothing remains.
Which browsers are supported?
Any modern browser on desktop or mobile: Chrome, Firefox, Safari, and Edge.
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