Minify or beautify CSS
Minify CSS for production or beautify for readability
How to Minify CSS for Production
Compress CSS files by removing whitespace, comments, and unnecessary characters. Reduce file sizes for faster page loads.
Paste Your CSS
Copy your CSS code from your stylesheet and paste it into the input area.
Click Minify
Process your CSS to remove comments, whitespace, and optimize selectors while preserving functionality.
Use Compressed Output
Copy the minified CSS. See exactly how much file size you saved with compression stats.
Why Use DevSensei?
What makes DevSensei different from other tools
Size Comparison
See original vs minified size and compression percentage. Know exactly how much you're saving.
Beautify Mode
Also works in reverse - beautify minified CSS for debugging or code review.
Safe Compression
Removes only unnecessary characters. Your CSS functionality is 100% preserved.
Frequently Asked Questions
Common questions about this tool
Typically 20-50% depending on your code style. CSS with lots of comments and formatting sees bigger reductions. Combined with gzip, you can achieve 80%+ total compression.
No, keep source CSS readable during development. Minify only for production builds. Most build tools (webpack, Vite) handle this automatically.