Tabs Backup & Restore
Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)
807 users
Custom New Tabs
Load any URL you want when a new tab is opened. CNT is the only add-on to place the focus intelligently on the chosen web page (like a search engine's search box) or in the URL bar!
798 users
Tabloc
Adds "Lock Tab" button. When you click links while the tab is locked, the link will be opened in a new tab instead of the current tab.
795 users
IEability - Open in IE
Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.
792 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. Adds "Reload All Tabs" to the tab right-click context menu. (For Fx115/Fx128, use "See all versions".)
791 users
HTMaiL: Insert HTML into email message
This extension will allow you to easily insert HTML code into the body of the message from your favorite webmail service: Gmail, Outlook, and Yahoo Mail.
789 users
Tree Style Tab Mouse Wheel
This add-on requires Tree Style Tab. It extends Tree Style Tab to allow tab changing by mouse wheel scrolling and reloading a tab when double clicking it.
783 users
Sleep Mode
Sleep Mode will temporarily put all tabs to sleep mode for saving RAM memory, saving battery and make your computer/laptop faster.
783 users
Twitch Error AutoRefresher
This extension will automatically refresh twitch stream whenever any error occurs.
779 users
Pause - Stop Mindless Browsing
Pause distracting websites before they open. Be mindful and intentional with your browsing using this simple extension.
777 users
Brightness Slider Per Tab
Adjust brightness per tab. Minimal permissions. Low resource usage.
760 users
Quora Login Bypass
Lets you Bypass Quora Login. A Quora Blog shared this trick/hack so that knowledge can be shared without restriction. If you are logged in, it won't do anything. But say you are not logged in (or using private window), then this comes handy.
752 users
Mute YouTube ads
Mutes any www.youtube.com tab when it detects video ads on it. Unmutes the tab when the ads are gone. Backs out on tabs where you manually change the muted state of the tab.
752 users
Close Other Tabs
(Re)add a context menu to tabs menus that closes other tabs of the selected tab.
750 users
Tiled Tab Groups
Provides tab groups / panorama functionality using the tab hide api. Manage tab groups in a compact, tiled groups view.
747 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.
741 users
