Blacklist AutoClose
Automatically close all blacklisted webpages specified by the user.
872 users
Tab counter
Displays the number of tabs in the active window.
870 users
Close All Tabs
Close all open tabs. Optionally close pinned tabs and incognito mode tabs. Keyboard Shortcut: Alt + W.
870 users
Mute Site
Allows to instantly mute/unmute all tabs from a website.
869 users
Winger - A Window Manager
Name windows, move tabs between windows, stash windows away, and more. Use multiple windows with ease, making them a truly viable way to organize lots of tabs.
868 users
Speed Tweaks
Speed up your browser with 7 tweaks via toolbar popup.
867 users
Switch to audible tab
Focus on tab that is currently making sound (Alt+Shift+A).
864 users
Cookie Importer
Import, export, edit, and backup cookies. Includes conflict resolution, cookie locking, advanced flag editing, session snapshots, and a secure review stage. Supports incognito and containers. The definitive session management tool.
863 users
Doodle Jump
The green alien needs your help to jump higher! The famous Doodle Jump game is available in your browser.
862 users
Font Contrast
Improves webpage readability.
849 users
Sort Tabs by URL
Press (command or ctrl)-shift-o to sort all the tabs alphabetically by URL , the button in the toolbar, the toolbar context menu or the tools menu items.
845 users
Per-Tab Volume Controller
Take control of your browser's audio experience with per-tab volume management. Set custom volume levels for each website, and enjoy precise fine-tuning with 0.1% increments. Perfect for managing multiple audio sources across different tabs.
843 users
Brightness Slider Per Tab
Adjust brightness per tab. Minimal permissions. Low resource usage.
837 users
Open in Private Mode
Open the active tab in a private window via toolbar button or context-menu.
835 users
Close Tab History Button
Open a list of the recently closed tabs.
834 users
TST Indent Line
Provides indent line for Tree Style Tab sidebar.
831 users
Open in Microsoft Edge
Opens current tab in Microsoft Edge (by simply adding 'microsoft-edge:' to the URL, no additional native software needed).
829 users
Simple Proxy Switcher
A simple add-on to quickly switch your proxy servers Currently only supports http/s proxy
827 users
CopyLinks Plus Plus
Copy all the links on all opened tabs to clipboard with a click! - Search links in all tabs - Filter by list of destination domains - Filter by list of regular expressions - Filter by magnet links Customizable Quick action and context Menu
825 users
WakaTime
Automatic time tracking for Firefox.
803 users
Save Selected Tabs to Files
Provides ability to save selected tabs to local files.
800 users
Right Click Link New Tab
IMPORTANT 13 Feb 2018: THIS ADDON WILL NO LONGER BE UPDATED. For those looking for a better alternative to this addon, please use beta version of https://addons.mozilla.org/en-US/firefox/addon/right-links/?src=api for Firefox 57+.
795 users
Disable Autoplay for YouTube™
Disable YouTube HTML5 player from auto-playing.
790 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".)
788 users
Tap To Tab
Double click (or finger tap twice) on any link to open it into a new Tab. Designed for tablets and laptop trackpads, which don't have two buttons on their mouse.
787 users