Google Chrome is growing at a rapid pace, but Firefox is still one of the most used browsers. Since YouTube is the largest video website on the Internet, many developers have created Firefox add-ons. Check out a list of 20+ of the best Firefox YouTube plugins. Some of these plugins let you download YouTube videos, stop autoplay, and convert them to MP3.
Ant Toolbar ? The Ant.com Video Downloader lets you download videos from YouTube, MySpace, Dailymotion, and many other websites. You can instantly play videos that you have downloaded with the Ant.com Video Player.
BYTubeD ? BYTubeD is a bulk YouTube video downloaded, which can be used to batch download all/selected YouTube videos on any page.
Embedded Objects ? Embedded Objects is a plugin that lets you download any type of embedded file.
Fast Video Download ? Fast Video Download by Applian Technologies lets you download video files from popular video websites like YouTube, Dailymotion, and Break.com.
Sothink Web Video Downloader ? Sothink Web Video Download lets you download live videos, music, streaming media, and Flash animation. You can also download FLV, WMV, ASF, SWF, AVI, MOV, RM, RMVB files and download videos directly from YouTube, Google Video, MySpace, etc.
Video DownloadHelper ? Video DownloadHelper is a free Firefox extension for downloading and converting videos from many different websites including YouTube.
Better YouTube ? Better YouTube is a Firefox extension that smartly enlarges videos for better viewing, hides user comments, declutters the page, and disables autoplay.
Flash Video Downloader ? Flash Video Download lets you download any video (FLV/MP4/HD) from YouTube, Facebook, Break.com, Metacafe, and other video sharing websites.
GoogleTube ? GoogleTube is a player for YouTube that is accessible from the status bar within Google, Yahoo!, and Bing search results.
Now Playing X ? Now Playing X is a Firefox extension that lets you use the MSN and LIve Messenger’s “Show What I’m Listening To” feature with video websites like YouTube. Other supported IM clients include AIM, Google Talk, Skype, and Yahoo! Messenger.
ProxTube ? ProxTube lets you unblock YouTube from countries that have blocked the website. This plugin is supported in countries like Germany, the Netherlands, and Spain.
Related How-To Videos Sidebar – The Related How-To Videos Sidebar plugin shows you a list of free how-to videos related to the websites you browse.
TubeStop ? TubeStop is an extension for Mozilla web-based browsers that disables the autoplay on YouTube videos. You can open multiple YouTube videos in tabs in the background without them all starting to play at once.
WonTube ? WonTube is a free Firefox plugin that lets you download any video from YouTube that are high quality like MP4s, FLVs, or MP3s.
YouPlayer ? YouPlayer is a Firefox add-on that and is a video player with a playlist similar to the one in Winamp. You can add/drag a YouTube link into the playlist window.
YouPop ? YouPop lets you open YouTube links in a popup with just the video so that you can preview videos easily.
YouTube Cinema ? YouTube Cinema is a plugin that lets you play YouTube videos in Cinema style.
YouTube Comment Snob ? YouTube Comment Snob is a Firefox extension that filters out undesirable comments from YouTube comment threads.
YouTube Converter – YouTube Converter lets you convert videos from YouTube and other video websites to MP3 and MP4 files for free.
Youtube Music Player ? Youtube Music Player lets you add a music player to Firefox. It lets you add a YouTube playlist to the sidebar of Firefox.
YouTube Tooltip ? YouTube Tooltip lets you view information about a YouTube link before you visit the link. It can be customized to show the title of the video along with the author, rating, and number of views. “Great for avoiding Rickrolls.”
YTshowRating ? YTshowRating is an add-on that lets you modify YouTube to allow you to see the rating of related videos before you click on them.