DeveloperRuns locally · No upload

CSS Minifier

Compress CSS for production in the Web Formatter workbench — switch to HTML beautify, JS minify, or XML format without changing pages.

Private by design

Everything runs in your browser. Your input is never uploaded, stored, or logged on our servers.

Works offline after load

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Frequently asked questions

Can I format HTML on the same page?+

Yes. Use the HTML tab in the same Web Formatter workbench to pretty-print HTML.

Is this tool free?+

Yes. Every Utiliio utility is free with no sign-up, usage limits, or paywalls.

Do you store my data?+

No. Processing happens entirely in your browser. Your input never leaves your device.

Can I use this tool offline?+

Yes. Once the page loads, most tools continue working without an internet connection.