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.
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
Removes all annoying Ads from YouTube
Enlarge thumbnails, and show images/videos from links with a mouse hover.
Tons of features to improve your user experience on YouTube™.
瞬间过滤B站(bilibili.com)刷屏的相似弹幕，还你清爽的弹幕视频体验。 *a tweak for a Chinese website. Please ignore this add-on if you are not a user of bilibili.com.*
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.
Adds an option to the context menu to search with an image on Google, Bing, Yandex, TinEye, SauceNAO, IQDB or custom search engines. You can also choose more than one and they will be shown in a submenu!
An ultra lite extension to download YouTube videos in all popular formats!
Best adblock for YouTube, faster and lighter than other ad blockers. It automatically hides all kind of YouTube ads (banner ads and video ads).
Youtube to mp3 converter easy and quickly. MrTubeMp3 Mozilla Firefox Addon helps the downloads easy Youtube ConverterYoutube to mp3 converter easy and quickly.
Looking for youtube video downloader? Install the YouTube Downloader and download video from YouTube.