Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
10,632 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
58,778 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
31,435 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21,372 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
97,471 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.
113,848 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,180 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
733,242 users
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
84,096 users
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
49,017 users
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder 2 in 1. Share screencast video instantly.
124,190 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,393 users