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Minify CSS code to reduce file size and improve page load speed. Use our free css minifier online tool — instant results, no upload, completely private.
No account · No upload · No watermark · Works on any device
Navigate to the CSS Minifier tool — no download or installation needed.
Drop your file or paste your data. Everything stays in your browser, nothing is uploaded.
Processing happens instantly on your device. Download or copy your result.
Minify CSS before production deployment
Reduce stylesheet size for faster page loads
Optimize CSS for better Lighthouse scores
Format, validate, and beautify JSON data with syntax highlighting.
Pick colors and convert between HEX, RGB, HSL, and CMYK formats.
Minify JavaScript code to reduce file size for production.
Minify HTML code by removing whitespace, comments, and unnecessary attributes.
No signup, no upload, 100% private. Works right in your browser on any device.
Open CSS Minifier