CSS Minifier
Minify CSS online for free. Remove comments, whitespace, and redundant code. Smaller stylesheets for faster websites. No signup.
Runs entirely in your browser — files never uploaded
How to use CSS Minifier
- 1. Paste your CSS. Paste or type your stylesheet code into the input textarea.
- 2. Click Minify. The tool removes comments, collapses whitespace, and strips unnecessary semicolons.
- 3. Copy the result. Use the copy button to grab the minified CSS, and check the size savings.
FAQ
Is my CSS sent to a server?
No. Everything runs in your browser — no data leaves your machine.
Does it remove vendor prefixes?
No. The minifier only strips comments and whitespace. All properties and values remain intact.
Will it break my media queries or selectors?
No. It only removes cosmetic whitespace and comments, not structural syntax.
How much space does CSS minification save?
Typically 20–40%, depending on formatting style and the number of comments.
Can I minify SCSS or LESS?
This tool is designed for plain CSS. Pre-processed syntax with variables or nesting may not minify correctly.
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