Free CSS Minifier Online
Compress your CSS files to reduce load time. Removes comments, whitespace, and optimizes syntax safely.
Fast Compression
Comments Removed
Safe Optimization
Input CSS
Minified Output
How to Use
1
Paste Code
Enter your CSS code or upload a .css file
2
Minify
Click the button to compress your stylesheet
3
Check
See the file size savings instantly
4
Export
Copy or download the optimized file
Frequently Asked Questions
Can this break my CSS layout?
No, the minification only removes redundant characters like comments and extra whitespace. It preserves all property values and structure, ensuring your layout remains identical.
Are media queries supported?
Yes, this tool correctly handles @media blocks and other nested structures, compacting them without breaking the logic.