CSS/JS Minifier
Minify CSS and JavaScript online for free. Reduce file sizes to improve website performance. See real-time savings statistics.
Input Code (CSS)
About Code Minification
Minification is the process of removing all unnecessary characters from source code without changing its functionality. This includes whitespace, line breaks, comments, and formatting that are useful for developers but not necessary for code execution.
What is Minification?
Minification is an optimization technique that reduces CSS and JavaScript file sizes by removing characters that don't affect code execution. The result is a smaller file that loads faster in the browser, improving user experience and website performance.
Benefits of Minification
- Faster load times: smaller files download more quickly
- Lower bandwidth usage: saves server and user resources
- Better performance: less data to process means faster rendering
- Better SEO: site speed is a Google ranking factor
Minification Techniques
- Removal of unnecessary whitespace
- Removal of code comments
- Elimination of line breaks
- In some cases, shortening variable names (not implemented in this tool)
Usage Tips
Always keep an unminified version of your code for development and maintenance. Use the minified version only in production. Consider using build tools like Webpack or Vite that automate this process. For larger projects, tools like Terser (JS) and csso (CSS) offer more advanced optimizations.
Frequently Asked Questions
Minification removes spaces, line breaks, comments and reduces variable names, decreasing file size without changing functionality.