Free CSS Minifier
Compress CSS for faster loading.
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About the CSS Minifier
Free CSS minifier. Remove comments and whitespace to shrink your stylesheet and speed up your site. Everything runs locally in your browser.
How it works
- 1
Paste CSS
Add your stylesheet.
- 2
Minify
Comments and whitespace are stripped.
- 3
Copy
Ship the smaller file.
Frequently asked questions
Minification is one-way, but the styles are unchanged — keep your original source file for editing.
Savings vary, but removing comments and whitespace commonly cuts 20–40% off hand-written CSS.