Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
30,336 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
10,738 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
253,868 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
101,067 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.
112,589 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
739,279 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,896,336 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
12,705 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
12,117 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,843 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
101,124 users