In Fennec, Full-Reviewed add-ons are very few. These are all of them. Excludes: (1)Mozilla "OFFICIAL," (2)non-rated, (3)Japanese description, (4)tagged by Mozilla, (5)fonts package.
Flash Video Downloader helps you to download any video (flv, mp4, HD) from YouTube-like, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download
Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.
**This addon will be discontinued on June 5, 2015**
Download from YouTube 4K videos and thousands other video websites.
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Replace video player with Firefox native video player
Adds download link/button to all SoundCloud tracks. Plus feature to drag and drop any SoundCloud link into the downloader-toobar to start downloading track.
Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.
YouTube video player sucks a lot, this basic video player sucks less
NOTE: this extension will be deprecated in favor of "HTML5 Video EveryWhere" extension
Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.
Support for replacing the player on YouTube site is in development.
Set custom User-Agent string. Also available for Firefox on Android.
Clean up the mess and quit! This extension brings back the good old quit button to life as well as the ability to clean what you wish at the same time.
Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)