EasyFilesConverter

CSS minifier

Shrink CSS for faster websites - CSSO also merges duplicate rules and shortens values.

Free · No sign-up · Your files are processed on your device and never uploaded

How to use CSS minifier

  1. Paste or type…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Result appears instantly
    2

    Watch the result

    The result updates as you type - choose options above if needed.

  3. TXTCopy / Download
    3

    Download the result

    Ready in seconds. Your file never left your device.

Features

  • Removes whitespace and comments.
  • Merges identical rules and shortens colours and zeros.
  • Reports CSS syntax errors.

Private by design

Everything runs in your browser. Nothing you paste is uploaded, logged or stored.

Questions

Which minifier is used?

CSSO, a popular open-source CSS optimizer.

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