DevVivid

CSS Minifier

Paste your CSS code to remove unnecessary whitespace and comments. This is a basic minifier for reducing file size.

Original size: 0 bytes | Minified size: 0 bytes | Savings: 0%

About CSS Minification

CSS minification is all about cleaning up your code taking out things like extra spaces, line breaks, comments, or anything else that isn't strictly needed. It doesn’t change how your CSS works, but it makes the file smaller and helps your website load faster.

Why Minify CSS?

  • Faster Loading: Smaller CSS files load quicker, improving page speed and user experience
  • Reduced Bandwidth: Less data transfer means lower hosting costs and faster mobile browsing
  • Better SEO: Search engines favor fast-loading websites, potentially boosting your rankings
  • Improved Performance: Minified CSS reduces the time browsers need to parse and render styles

What Our CSS Minifier Does

  • Removes comments and unnecessary whitespace
  • Eliminates extra spaces around CSS properties and values
  • Compresses multiple spaces into single spaces where appropriate
  • Removes trailing semicolons in CSS blocks
  • Preserves CSS functionality while maximizing compression

Best Practices for CSS Optimization

Pro Tip: Always keep a readable version of your CSS for development and use minified versions for production.

  • Combine multiple CSS files before minifying to reduce HTTP requests
  • Try using CSS preprocessors like Sass or Less — they help keep your styles more organized and easier to manage.
  • Save extra bandwidth by enabling gzip compression on your server.
  • Consider using CSS frameworks efficiently to avoid unused styles

Common CSS Minification Techniques

Before Minification:

/* Main styles */
.header {
  background-color: #ffffff;
  padding: 20px;
}

After Minification:

.header{background-color:#ffffff;padding:20px}

⚠️ Important Notes:

  • Always test your minified CSS to ensure it works correctly
  • Keep backup copies of your original, readable CSS files
  • Some advanced CSS features might require specialized minification tools
  • This tool provides basic minification - for complex projects, consider build tools like Webpack or Gulp