Usage:

Copy&paste your HTML and CSS into boxes below

Click button

Wait for magic to happen

Unused CSS is gone, take the rest and use it!

Your HTML Your CSS UnCSS my styles

Your shortened CSS

Copy to clipboard

Advanced usage

For advanced options please consider adding UnCSS to your devstack - Gulp, Grunt, PostCSS.

What is this good for?

Do you have static 404 or 500 page, bundled styles for the whole site and you need only couple of CSS for these static pages to work? Well, here you have the tool for that. You're welcome.