Clickbait Remover for Youtube (Chrome and Firefox) replaces thumbnails with a frame from the video, effectively removing any clickbait while still showing a high-quality thumbnail so you can still get a good idea about the video's subject matter.

Enhancer for YouTube for Chrome, Firefox, Edge, and Opera is a highly customizable add-on or extension to improve your YouTube experience.

Improve YouTube! for Chrome, Firefox, Edge, and Opera adds many useful extras to augment your YouTube experience.

Magic Actions for YouTube For Chrome, Firefox, and Safari is an extension designed to enhance your YouTube watching experience by providing options like Cinema Mode, Mouse Wheel Volume Control, AutoHD, Expand, Snapshots, and more.

Remove YouTube Recommended Videos and More is a freeware Chrome extension that can hide YouTube video suggestions and other sections that annoy you.

Sidebar for YouTube (Firefox and Opera) allows you to access the mobile version of YouTube displayed as a functioning sidebar.

SuperYouTube for Chrome is a free extension capable of enhancing your viewing experience by allowing you to read comments while watching a video, scroll-over volume control, and more.

YouTube High Definition for Firefox allows you to easily play all YouTube videos in HD and more.

YouTube Video Effects for Chrome is a simple option that allows you to enhance your YouTube's look through a series of easily applied filters.