Enhancer for YouTube for Chrome, Firefox, Edge, and Opera is a highly customizable add-on or extension to improve your YouTube experience. Some of the many features include: Dark themes Control volume level and playback speed with the mouse wheel Remove ads from videos (automatically or on-demand) Whitelist channels to not automatically remove their ads Remove annotations (automatically or on-demand) Automatically play videos in 4K, HD, or any other preferred format Loop videos (in part or in whole) Use custom themes Use a larger video player Pin the video player Execute your own actions using JavaScript Similar: MajorGeeks YouTube Channel How to Delete Your YouTube Watch and Search History