Most Popular Extensions
"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.
Quickly access Skype for Web and Share on Skype through your browser
IE Tab V2 (Enhanced IE Tab) Requires Restart
Note: If you are encountering the Connecting... problem see instructions below.
The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.
NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit.
RES is a suite of tools to enhance your reddit browsing experience.
Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!
Disconnect Compatible with Firefox 57+ Featured
Make the web faster, more private, and more secure.
Flashblock Requires Restart
Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...
FoxyProxy Standard Requires Restart Featured
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
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.
QuickJava Requires Restart Featured
Визуальные закладки – это страница, на которой собраны ваши любимые сайты.
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos
This Add-on sets your default Search to Yahoo, and it brings a fresh look to every new tab page, powered by Yahoo.
NetVideoHunter Requires Restart
This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
Xmarks Sync Requires Restart
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
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.
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.