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Runs fully in your browser. Comments, extra whitespace and trailing semicolons are removed; strings, URLs and data values are preserved.
Frequently asked questions
Is minified CSS safe to use in production?
Yes. This minifier only removes comments, unneeded whitespace and trailing semicolons. Strings, URLs, data values and selectors are preserved, so your styles work exactly the same.
Will minifying change how my site looks?
No. Minification removes characters that browsers ignore. The rendered result is identical; only the file size and download time change.
Does my CSS get uploaded anywhere?
No. Everything runs in your browser with JavaScript. You can safely paste production stylesheets without them leaving your device.
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