Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
11,916 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
8,411 users
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
28,697 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
99,502 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.
113,030 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
735,380 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,900,861 users
Tab Stash
Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.
43,558 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
35,392 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
111,010 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
50,083 users