A quick and minimalistic way to create bookmarks.
History Submenus II Featured
Add sub-menus to History Menu for previous days' history.
Classic Toolbar Buttons Featured
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.
Beta builds on versions page!
YouTube No Buffer (Stop Autoplaying) Featured
A bulletproof approach to prevent YouTube from buffering videos
Desktop Messenger for WhatsApp™ Featured
WhatsApp™ Desktop provides an easy access to WhatsApp Web, and notifies you of incoming posts.
The first and only download manager/accelerator built inside Firefox!
Popup Blocker (strict) Featured
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
Tab Scope Requires Restart Featured
Preview and navigate tab contents through popup.
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!
AdBlocker for YouTube™ Featured
AdBlocker for YouTube™ removes all annoying Ads from YouTube
Video Downloader Prime Featured
Easily download most popular video formats.
QR Code Image Generator Featured
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.
Tab Memory Usage Featured
Tab Memory Usage displays the amount of memory is used by each tab
Skype™ Web Featured
Access to Skype Web from within a toolbar panel. You can use this app to call your friends without the need to switch current browser tab
DuckDuckGo Plus Featured
DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.
Disconnect for Facebook™ Featured
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.
YouTube High Definition Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Privacy Settings Featured
Alter Firefox's built-in privacy settings easily with a toolbar panel.
QuickJava Requires Restart Featured