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CSS minifier

Paste CSS. Strips comments, collapses whitespace, removes last-rule semicolons.

How to use CSS minifier

  1. Paste your CSS.
  2. The tool strips comments, collapses whitespace, and removes unnecessary trailing semicolons.
  3. Copy the smaller output for production use.

About this tool

CSS minifier is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

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