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About This Tool
The CSS Minifier reduces the file size of your stylesheets by removing comments, unnecessary whitespace, newlines, and redundant semicolons. The output is equivalent CSS that loads faster in production environments.
After minification, the tool shows original size, minified size, and the percentage saved — so you can immediately see the impact. The minifier handles multi-line comments, single-line comments, and preserves important directives like @charset and !important annotations.
Use this tool before deploying your CSS to reduce page load time and bandwidth consumption. For best results, run this on unminified source CSS. Works entirely in your browser with zero dependencies.