Google Reverse Image Search The only add-on in this category capable of searching local files from the computer
Play YouTube™ Videos in Flash or HTML5 Player
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.
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
Flash Player runs and saves any flash file across the web. The Addon allows you to add any flash file into the app's playlist and access them on any website by simply clicking an extension icon.
Displays player controls for video content on Instagram. Because why isn't that already a feature?
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
This extension adds 'Original' buttons to open images in original size on Twitter (https://twitter.com/*) or on TweetDeck (https://tweetdeck.twitter.com/). When there are multiple images, they are displayed on a single tab.
Download YouTube video and view it offline.
Изтеглете видеоклипове от YouTube, Facebook, Instagram, Twitter, Dailymotion, Vimeo, VK и много други сайтове.
A simple but powerful firefox downloader addon. Download links from multiple tabs, from the clipboard or selected text on web pages.
Search music straight from your address bar! Just type in M, than press TAB and type in artist or song. Looking for a favorite Song use search4musix.