Free CSS & JavaScript Minifier
Paste your CSS or JavaScript code to minify it instantly. Remove whitespace, comments, and unnecessary characters to reduce file size and improve page load speed.
Faster Pages Start with Smaller Files
Every kilobyte matters for page load performance. Minifying your CSS and JavaScript is one of the easiest optimizations you can make. This tool processes your code instantly in the browser, giving you production-ready minified output with a single paste.
Frequently Asked Questions
Minification removes all unnecessary characters from your code — whitespace, line breaks, comments, and sometimes shortens variable names — without changing its functionality. The result is a smaller file that loads faster in the browser.
No. Minification only removes characters that do not affect execution. The output is functionally identical to the original. Always test minified code in your environment to be safe.
Typical reductions range from 20% to 60%, depending on how much whitespace and comments your original code contains. Heavily commented code sees the largest reductions.