CSS Minifier
Minify CSS by stripping comments and unnecessary whitespace.
About this CSS Minifier
Minify CSS by removing comments, whitespace, and unnecessary characters to reduce file size. Our CSS minifier optimizes stylesheets for production use, significantly reducing file size while maintaining functionality. Perfect for improving website performance, reducing bandwidth usage, and speeding up page load times. The tool preserves all CSS functionality while removing formatting that's only needed for readability during development.
Key Features
Remove comments and whitespace from CSS
Optimize CSS for production use
Significantly reduce file size
Preserve all CSS functionality
Fast minification processing
Copy minified CSS instantly
Compare original and minified sizes
Works entirely in your browser for privacy
How to Use
Paste or upload your CSS file
Click 'Minify' to process the CSS
View the minified output
Check file size reduction
Copy the minified CSS
Use minified CSS in production
Keep original CSS for development
Popular Use Cases
Optimize CSS for production websites
Reduce bandwidth usage and improve performance
Speed up page load times
Prepare CSS for deployment
Minify CSS for CDN distribution
Optimize stylesheets for mobile devices
Reduce file sizes for better caching
Improve website performance metrics
Tips & Best Practices
Always keep original CSS files as backups
Use minified CSS in production, original in development
Test minified CSS to ensure functionality is preserved
Minify CSS as part of your build process
Combine with CSS compression for best results
Check file size reduction to measure optimization
Use source maps for debugging minified CSS
Frequently Asked Questions
What does CSS minification do?
CSS minification removes unnecessary characters like comments, whitespace, and line breaks to reduce file size. It preserves all CSS functionality while making files smaller and faster to download.
Will minification break my CSS?
Proper minification should not break your CSS. However, always test minified CSS to ensure it works correctly. Keep original files as backups.
How much file size reduction can I expect?
File size reduction varies but typically ranges from 20-50% depending on the original CSS. Files with lots of comments and whitespace see greater reductions.
Should I minify CSS in development?
Minify CSS for production use only. Keep original, readable CSS for development. Use build tools to automatically minify during deployment.