Sidebar Tabs
Emulate tabs in sidebar and display tabs vertically. In addition, group tabs and collapse / expand them.
825 users
Web Marker - Draw on Websites
Draw on any webpage in real time! Draw, highlight, add shapes & more. Easy to use, perfect for studying & teaching.
822 users
Close Other Tabs
(Re)add a context menu to tabs menus that closes other tabs of the selected tab.
822 users
Move unloaded tabs for Tree Style Tab
Move tabs in the Tree Style Tab Sidebar without them becoming active.
822 users
Window Merger
Merge specified browser windows into each other. Or all of them into one. Simply right click to open Firefox’s context menu when multiple windows are open, or configure a keyboard shortcut. All wrapped up in one tiny free extension.
817 users
Twitch Error AutoRefresher
This extension will automatically refresh twitch stream whenever any error occurs.
786 users
Former2 Helper
Helps avoid CORS issues with AWS API endpoints for <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/94c5c0b23aacabd770d252664e989ef5ac639a3eee9e8eb73dc32247ea3eb865/http%3A//former2.com" rel="nofollow">former2.com</a>
784 users
Tab Scheduler - auto open & close
Browser tabs will be open and close automatically at selected time. User can activate/deactive list based on requirement
747 users
New Tab by Yahoo
This Add-on brings a fresh look to your new tab page, powered by Yahoo. It also provides default Yahoo experience for search and homepage.
746 users
FxQRL - URL to QR code
Turns your URLs into QR code images using built-in library, no network connection is made in this add-on.
732 users
Switch To Previous Active Tab & Reload All Tabs
Activate the last accessed tab in the same window, or any window. Right-click the toolbar button for a most recent tabs list (MRU) and options. Restores "Reload All Tabs" to the tab right-click context menu.
725 users
