CSS Minifier & Beautifier

Paste your CSS below to minify or beautify it. Everything runs in your browser.

Original: 0 B Output: 0 B Saved: 0 B (0%)
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About This Tool

Minify CSS code by removing whitespace, comments, and unnecessary characters. Reduces file size for faster page loads without changing how the CSS works. A common step in web performance optimization.

How to Use

  1. Paste your CSS code into the input area.
  2. Click Minify to compress the code.
  3. Copy the minified output for use in production.

Frequently Asked Questions

Does minifying CSS change how it works?

No. Minification only removes whitespace, comments, and redundant characters. The CSS behaves identically but takes fewer bytes to download.

How much does CSS minification reduce file size?

Typically 15-30% depending on how much whitespace and comments your source CSS contains. Heavily commented files see the biggest reduction.