Formatter · Coming Soon

CSS Beautifier

Paste compressed or messy CSS and get back clean, well-structured stylesheets with proper indentation — all in your browser.

Get notified the day we launch. No spam, ever.

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Built for developers

Format and beautify CSS stylesheets with configurable indent size and property sorting options.

Instant & in-browser

Runs client-side. Your data never leaves your browser.

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Zero ads

No ads, no trackers, no popups. Pure focus.

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File & paste support

Paste code or upload files. Both modes supported.

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Shareable links

Share output with teammates via a permanent link.

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Dark & light mode

Adapts to your system preference automatically.

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Mobile friendly

Fully responsive. Works on any screen size.


About this tool

OpenFormatter's CSS Beautifier formats and beautifies CSS stylesheets online for free. Supports CSS3, media queries, keyframe animations, custom properties (variables), and nested rules. Configurable indent size, newline style, and brace placement. All processing happens in your browser — no data is sent to any server.

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