OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
147.862 users
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
134.980 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
133.438 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
126.961 users
EPUBReader
Read ePub files right in Firefox. No additional software needed!
126.845 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
110.062 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
105.981 users
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
93.993 users
Gesturefy
Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
91.863 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
90.473 users
Simple Tab Groups
Create, modify, and quickly change tab groups
88.150 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
87.218 users
Disconnect
Make the web faster, more private, and more secure.
86.201 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
76.352 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
73.804 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
70.011 users
Block Site
A customizable, password-protected website blocker and redirector.
67.269 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
65.894 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
64.303 users
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
64.262 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
63.236 users
Popup Blocker (strict)
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
62.457 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
61.839 users
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
61.479 users
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
60.560 users