Input Code
Minified Output
Minify CSS & JavaScript instantly
Minify CSS and JavaScript code instantly in your browser.
Compress code by removing whitespace, comments, and unnecessary characters.
Code never leaves your browser. All processing is local.
See exactly how much space you save after minification.
Support for both CSS and JavaScript minification.
No signup, no limits. Minify as much code as you need.
Minification is the process of removing unnecessary characters from code without changing its functionality. This includes whitespace, comments, and shortening variable names to reduce file size.
Minified code loads faster because smaller files transfer quicker over the network. This improves website performance, reduces bandwidth usage, and can improve SEO rankings.
No, minification only removes unnecessary characters. Your code will function exactly the same way, just with a smaller file size.
Select "CSS" mode, paste your CSS code in the input box, and click "Minify". Your minified CSS will appear in the output box, ready to copy.
Select "JavaScript" mode, paste your JS code in the input box, and click "Minify". The compressed JavaScript will appear instantly.
Since processing happens in your browser, you can minify files of any reasonable size. Very large files may take a moment to process.
Yes! Your code never leaves your browser. All minification happens locally on your device - we never see or store your code.
Yes! Our code minifier is 100% free with no limits. Minify as much CSS and JavaScript as you need.