CleanTube is a Firefox extension designed to enhance your YouTube viewing experience by removing distractions. This subscription-based multimedia tool focuses on graphic and design elements, providing users with a cleaner interface. Key features include the removal of recommended video rows that pop up during and after video playback, the elimination of channel watermarks, and the suppression of 'Watch later' and 'Add to queue' icons that clutter thumbnails.

By addressing these common annoyances, CleanTube allows users to focus solely on the content they want to watch. The extension is open source, making it accessible for those interested in contributing or providing feedback through its GitHub repository. Overall, CleanTube is a valuable tool for anyone looking to minimize distractions while enjoying videos on YouTube.