CSS Minifier / Beautifier
Shrink CSS by stripping comments and whitespace, or expand it back into cleanly indented, readable code — both directions, live.
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CSS, Compressed or Readable
Minify strips comments and collapses whitespace to shrink file size for production. Beautify does the reverse — takes minified or messy CSS and re-indents it with one rule per line, easy to read and diff.
This is a lightweight, regex-based tool rather than a full CSS parser — it handles standard CSS correctly, but content values containing literal {, } or ; inside quotes (rare in practice) may not format perfectly.
Frequently Asked Questions
Does minifying break my CSS?
No — it only removes comments and collapses whitespace around punctuation; every selector, property, value and rule stays functionally identical.
Does this handle SCSS or LESS syntax?
It's built for plain CSS. Sass/Less-specific syntax (nesting, variables, mixins) will pass through largely unchanged rather than being processed, since those aren't valid CSS on their own.
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CSS Minifier / Beautifier