GHC - Extract only user-defined CSS is a Chrome add-on designed to facilitate the extraction of CSS styles from any website. This tool allows users to export the specified CSS as pure HTML/CSS components, providing a streamlined way to gather and utilize custom styles for various projects. The add-on is free to use, making it accessible to a wide range of users.

In addition to extraction capabilities, GHC offers a preview feature that allows users to visualize their extracted components in GHC or CodePen. The functionality to download these components as offline files further enhances its utility, making it a valuable resource for developers and designers looking to incorporate user-defined styles efficiently.