Remove Unused CSS Online

Free online tool to analyze and remove unused CSS from your HTML and Tailwind CSS projects. Clean unused selectors, reduce CSS file size, and improve website performance instantly.

Why Use This Tool?

Lightning Fast

Real-time CSS analysis in your browser. No server uploads, no waiting. Results in under 1 second.

100% Private

All processing happens in your browser. Your CSS and HTML never leave your device.

Tailwind Optimized

Perfect for analyzing Tailwind CSS projects. Debug purge issues and verify JIT mode configuration.

Frequently Asked Questions

What is unused CSS and why should I remove it?+
Does this work with Tailwind CSS?+
Can I analyze multiple pages at once?+
Is my CSS and HTML data stored or sent to a server?+
What CSS features are supported?+

Ready to Optimize Your CSS?

Reduce bundle size, improve performance, and deliver faster web experiences.