🎨 CSS Formatter
Online CSS beautifier and minifier
Output Result
📚 User Guide
Features
- Beautify: Add indentation and line breaks, make CSS more readable
- Minify: Remove spaces, line breaks and comments, reduce file size
Beautify Example
Compressed CSS:
.container{margin:0 auto;padding:20px;}.header{background:#333;color:#fff;}
After beautify:
.container {
margin: 0 auto;
padding: 20px;
}
.header {
background: #333;
color: #fff;
}
Minify Techniques
- Remove all spaces and line breaks
- Remove comments
- Simplify color values (#ffffff → #fff)
- Remove unnecessary units (0px → 0)
- Merge same rules
Use Cases
- Development: Use beautified format, easy to read and maintain
- Production: Use minified format, reduce file size
- Code Review: Easier to find issues after beautify
- Learning: Beautify before analyzing others' code
Performance Optimization
- Always minify CSS in production
- Use Gzip or Brotli for further compression
- Consider using CSS preprocessors (Sass, Less)
- Use PostCSS for automation
Best Practices
- Keep code formatted during development
- Use consistent indentation (2 or 4 spaces)
- Organize selector order properly
- Add necessary comments
- Auto minify during build