Free Online CSS Minifier

The CSS Minifier compresses CSS code by removing unnecessary spaces, comments, and line breaks. Minifying CSS reduces the overall file size and helps websites load faster.

This tool runs completely inside your browser, meaning your CSS code is never uploaded to any server.

How to Use the CSS Minifier

Paste your CSS code into the input box.
Click the Minify CSS button.
The compressed CSS code will appear instantly.
Use the Copy button to copy the minified code.

Features of Our CSS Minifier

Instant CSS compression
Shows original and minified file sizes
Displays percentage reduction
Works directly in your browser
Completely free to use

Why Minify CSS?

Minifying CSS removes unnecessary characters such as spaces and comments while keeping the code functional. This reduces file size and improves website loading speed.

Developers commonly minify CSS before deploying websites to production to optimize performance.