Most Popular Extensions
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.
User Agent Switcher Requires Restart
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Speed Dial Requires Restart
Direct access to your most visited websites
This Add-on gives you a simplified version of Yahoo Toolbar along with Flickr images on every new tab. It also provides quick access to your top sites.
Tons of features to improve your user experience on YouTube™.
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.
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
Визуальные закладки – это страница, на которой собраны ваши любимые сайты.
Disconnect Compatible with Firefox 57+ Featured
Make the web faster, more private, and more secure.
- 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
Quick Locale Switcher Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
This Add-on sets your default Search to Yahoo, and it brings a fresh look to every new tab page, powered by Yahoo.
QuickJava Requires Restart
FoxyProxy Standard Requires Restart
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.
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...
Best VPN addon for Firefox.
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!
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.