The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.
Stops video autoplay and shows the preview thumbnail.
Adds a volume slider to Bandcamp album pages on bandcamp.com.
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Allows user to block gif images on a web page.
Open and download links in IDM (Internet Download Manager)
Flash & Video Downloader is a great download manager tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos , Vimeo and more) with a single click.. Fully supported new Firefox Quantum 57
The YouTube mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a mp3 with just one click. Compatible with new FireFox Quantum 57+