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CSS Minifier

Compact CSS while preserving strings and comments that matter.

◇ Your input is processed in your browser and is not uploaded.

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What you can do with CSS Minifier

  • Configurable formatting
  • Conservative whitespace compaction
  • Size comparison

How to use this tool

  1. Paste your code or import a text file.
  2. Choose the formatting, validation or comparison settings you need.
  3. Run the action, inspect errors and copy or download the result.
Do I need an account or a paid plan?

No. These free online tools include the advanced options above without an account or subscription.

Where is my data processed?

This tool processes your input in your browser. Your input is not uploaded to our servers. Some tools download an additional library before processing. Your input is not automatically saved to an account.

Keyboard shortcut: Ctrl+Enter (or Command+Enter) runs the first main action while you are working in the tool. Review generated code, documents and lookup results before using them.