CSS Minifier

Minify CSS code free and instantly. Remove whitespace, comments, and optimize selectors — 100% private, runs instantly.

Instant & Fast: High-performance utility tools ready for immediate use.

Free Forever • No Watermarks • No Sign-up

How to use CSS Minifier

Open CSS Minifier — no account or login needed.

Select your file or input your data into the tool panel above.

Adjust the settings, dimensions, or parameters to your preference.

Click process and save your result directly to your device.

How much does minification reduce CSS size?

Typically 20–50% reduction depending on formatting and comment density.

Does it optimize selectors?

Is my code private?

Beautify and auto-indent CSS code for better readability.

Remove whitespace, comments, and redundant code from HTML.

Compress JavaScript by removing whitespace and comments.

Create linear, radial, and conic CSS gradients with live preview.