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.
10,453 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
155,806 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
256,737 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
101,190 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
99,375 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.
113,352 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
736,609 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,908,429 users
Tab Stash
Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.
42,418 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
110,571 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
34,879 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
49,605 users