Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Webmail Ad Blocker
Block ads on the right side of the screen when using Gmail, Yahoo Mail, Hotmail and Outlook.com which expand your message space
28,810 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
23,359 users
Tabby - Window & Tab Manager
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
16,888 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77,022 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.
110,554 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
697,534 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
89,509 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
5,831 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
6,467 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
5,831 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
28,930 users
