🔧 CSS Minifier
Professional CSS minifier and optimizer with advanced compression algorithms
Paste your CSS code here to minify and optimize
Remove CSS comments (/* ... */) from the output
Convert colors to shorter formats (rgb to hex, 6-digit to 3-digit hex)
Optimize margin/padding shorthand properties when possible
Remove CSS rules that have no properties
Choose how to format the minified output
How to Use This CSS Minifier
Basic Usage:
- Fill in the required fields above
- Adjust any optional settings as needed
- Click the button to generate your result
- Copy or download the output
Tips: This css minifier provides instant results and works entirely in your browser for privacy.
When You Might Need This
- • Website performance optimization by reducing CSS file sizes for faster page loads
- • Production build process integration for automated stylesheet compression
- • Bandwidth reduction for mobile users and improved Core Web Vitals scores
- • Enterprise website optimization with multi-file CSS compression workflows
- • CDN deployment preparation with optimized stylesheets for global distribution
Frequently Asked Questions
How much can CSS minification reduce my file size?
CSS minification typically reduces file sizes by 20-60% depending on the original code structure. Files with extensive comments, whitespace, and verbose property declarations see the highest compression ratios.
Will minifying CSS break my website design?
No, our CSS minifier preserves all functional code and only removes unnecessary elements like comments, whitespace, and redundant declarations. The visual appearance and functionality remain identical.