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Minify CSS to shrink stylesheet size.
Paste CSS and get a minified, optimized stylesheet using the csso engine — comments and whitespace removed and rules compacted. See how many bytes you save. It all runs in your browser.
Runs entirely in your browser — nothing is uploaded.
No — minification runs entirely in your browser with the csso library; your code never leaves your device.
Yes — csso is a well-established optimizer that preserves your styles while compacting the output.