Online intelligent CSS compression and formatting tool with real-time preview, supporting nested structures.
Input CSS
Result
Help Guide
Quick answers about CSS compression and formatting
Compressing CSS removes unnecessary characters (spaces, line breaks, comments), significantly reducing file size. This accelerates page loading speed, lowers bandwidth usage, and improves website SEO rankings (Google PageSpeed scores).
'Compress' mode is for production environments to optimize performance. 'Format' mode (Beautify) reorganizes minified code into a readable structure with proper indentation, making it easier for developers to debug and edit.
Yes, completely secure. All processing happens locally in your browser via JavaScript. Your CSS code is never uploaded to any server, ensuring 100% data privacy.