Minify your CSS by stripping comments and unnecessary whitespace around selectors, properties and values.
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This tool strips CSS comments, removes whitespace around punctuation ({, }, :, ;, ,), drops the last semicolon before a closing brace, and collapses any remaining whitespace, a purely text-based transformation with no CSS parser involved.
Removing comments and unnecessary whitespace reduces file size, which means faster downloads and slightly faster parsing, especially on larger stylesheets. It's a standard step in most production front-end build pipelines.
Minifying '.box {\n color: red;\n padding: 10px;\n}' (a rule spread across four lines with indentation) collapses down to '.box{color:red;padding:10px}' on a single line, the spaces around { and : and ; are removed, and the final semicolon before the closing brace is dropped since it's unnecessary.
Expecting this to remove unused CSS rules or merge duplicate selectors, it only strips comments and whitespace, dead-code elimination requires actually analyzing which selectors match elements in your HTML, which this text-based tool doesn't do.
Assuming minified CSS behaves differently from the original, minifying only removes whitespace and comments, it doesn't change any selector, property, or value, so the rendered result is identical.
Manually editing minified CSS afterward, since everything is on one line, a typo becomes very hard to spot, keep an unminified source copy and re-minify from that rather than editing the compressed output directly.
No, this only removes comments and whitespace. It doesn't rename selectors, remove unused CSS, or merge duplicate rules, those require analyzing how the CSS is actually used, which is beyond a simple text-based minifier.
No, all minification happens entirely in your browser, your code is never transmitted anywhere.
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