Dev Tool
CSS Minifier
Compress and minify CSS code online. Remove comments, whitespace, and optimize stylesheets for faster websites.
🗜️
CSS Minifier
Compress and minify CSS instantly. Remove comments, strip whitespace, and optimize stylesheets — all in your browser, no data sent to servers.
📥Input CSS
0 characters0 B
📤Output
0 characters0 B
💡Why Minify CSS?
⚡ Performance Benefits
- ✓ Smaller file size = faster downloads
- ✓ Reduces bandwidth usage and hosting costs
- ✓ Faster browser rendering and parsing
- ✓ Improved Core Web Vitals scores
- ✓ Better Google PageSpeed Insights rating
🔧 What Gets Removed
- → All
/* comments */ - → Extra whitespace, tabs, and newlines
- → Spaces around
: ; {} , - → Trailing semicolons before closing braces
- → Leading/trailing whitespace
🔒 Privacy & Security
All CSS processing happens entirely in your browser. Your code is never sent to any server.
Safe to use with proprietary stylesheets, internal tools, or any CSS you want to keep private.
✓ 100% client-side processing — zero data transmission
🚀 Best Practices
- → Keep original source CSS in version control
- → Use
.min.csssuffix for minified files - → Combine CSS minification with HTTP gzip/brotli compression
- → For build pipelines, use PostCSS or esbuild