CODE-WP Local is a desktop application that lets you run WordPress and PHP websites locally on your Windows machine — no technical knowledge required.
It bundles everything you need: Nginx, PHP 8.3, MariaDB, and phpMyAdmin — all managed through a clean, modern interface.
Remove unused CSS. Also works with single-page apps
...However if you're using a different development stack or building your sites with a CMS like Wordpress, you can use the online tool to clean up your stylesheet. Especially if you are using CSS frameworks like Bootstrap or a multi-purpose Wordpress theme, chances are you are actually using less than 20% of the defined CSS rules.