Focus for YouTube is an online tool that helps you to stay focused while browsing YouTube videos. It allows users to set a timer to limit their overall YouTube browsing time and provides tools to help them stay on task. It also provides features to block certain channels, as well as suggesting alternative content that may be more relevant to the user's interests. Focus for YouTube also provides users with an activity log to track their usage over time and understand their habits. Finally, it provides users with the ability to set daily reminders to stay on task and keep their focus while browsing YouTube videos.
Discontinued The add-on is no longer being developed due to a compatibility issue with Firefox Quantum and the new YouTube design.
Iridium by ParticleCore
Turn Off the Lights
Magic Actions for YouTube
YouTube Center
Enhancer for YouTube
YouTube Enhancer Plus
Bundleware The extension suggests installing other Mixesoft applications, such as Click & Clean, but you can decline the offer.