CSS Minifier Online — Free Tool
Minify CSS code instantly in your browser. Reduce file size by removing whitespace, comments, and unnecessary characters.
Why Minify CSS?
- Faster Load Times: Smaller CSS files mean faster downloads
- Bandwidth Savings: Reduced data transfer for your users
- Production Ready: Optimize stylesheets before deployment
- SEO Benefits: Page speed is a ranking factor
Features
- CSS Minification: Remove whitespace and comments
- Compression Statistics: See exact byte savings and percentage
- Before/After Comparison: Track your optimization progress
- Multi-tab Editing: Work with multiple CSS files
- File Upload: Open .css files from your computer
How to Use
- Paste your CSS code in the input area or upload a .css file
- Click Minify to compress your CSS
- Review the minified output and compression statistics
- Copy or download the result
Privacy & Security
All CSS processing happens entirely in your browser. Your code never leaves your computer.