CSS Minifier Online
Minify CSS files instantly and reduce file size up to 80%. Optimize your website's performance with our free, secure CSS compressor that works entirely in your browser.
CSS Minifier Tool
Paste your CSS code below and watch it get minified instantly. All processing happens locally in your browser for complete privacy.
Try Sample CSS
Why Use Our CSS Minifier?
Professional-grade CSS optimization with advanced features for maximum performance.
Lightning Fast
Minify CSS files instantly with our optimized algorithm. No waiting, no delays - just instant results.
100% Private
Your CSS code never leaves your browser. All minification happens locally for complete privacy and security.
Smart Optimization
Advanced optimization techniques including color compression, unit optimization, and selector merging.
Detailed Statistics
See exactly how much space you're saving with detailed file size comparisons and percentage reductions.
CSS Minification in 3 Simple Steps
Paste Your CSS
Copy and paste your CSS code into the input area or use one of our sample templates.
Configure Options
Choose which optimization features you want to apply - comments, whitespace, colors, and more.
Get Minified CSS
Click "Minify CSS" and instantly get your optimized code with size reduction statistics.