About this tool
Css Minifier is part of our Developer Tools collection. It is designed for a clear, fast workflow with practical options, useful output, and privacy-aware processing.
Css Minifier
Css Minifier runs entirely in your browser. Files are never uploaded to our server.
✓Your files are processed in your browser — nothing is uploaded to our servers.
Privacy-first processing
Your files are processed in your browser — nothing is uploaded to our servers.
Frequently asked questions
Can I use Css Minifier for free?
Yes. You can use the core Css Minifier workflow for free.
How are my files handled?
Your files are processed entirely in your browser. File contents are never uploaded to our server.