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.
9,673 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
19,459 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
150,255 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
17,885 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
108,794 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.
107,207 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
735,335 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.
125,213 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
429,380 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
208,326 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
5,895 users