FreeDev Tools

CSS Minifier

Minify CSS — strip comments, collapse whitespace, and drop redundant semicolons.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Paste your CSS

    Stylesheets of any size work — the tool runs locally so there is no upload limit.

  2. 2

    Get minified output instantly

    Comments and whitespace vanish; a size comparison is appended.

  3. 3

    Copy or download

    Grab the minified CSS or download it as a .css file.

Frequently Asked Questions

Comments, line breaks, indentation, spaces around braces/colons/commas, trailing semicolons before closing braces, and leading zeros in decimal values like 0.5rem → .5rem.

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