- Explore
- Extensions
- Themes
- for Firefox
- Dictionaries & Language Packs
- Search Tools
- Other Browser Sites
- Add-ons for Android
Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Featured extensions
lesspass
Use LessPass add-on to generate complex passwords and log in automatically to all your sites
3,024 users
YouTube in HD (720p, 1080p, 1440p, 2160p)
Watch YouTube in the full-HD quality or the highest available one
10,237 users
Awesome Screenshot Plus - Capture, Annotate & More
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
276,564 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.
87,215 users
Top rated extensions
Trending extensions
StartPage.com — Private Search Engine
Take back your online privacy by using StartPage as your search engine. StartPage offers high-quality search results without any trackers or ads that follow you. This privacy extension changes your current search engine to StartPage.
4,597 users
Wallet Dealer
Surfe wie gewohnt im Internet und nutze automatisch die Vorteile, die Wallet Dealer dir automatisch auf deinen Lieblings-Online-Shops anbietet.
2,710 users
Flash & Video Downloader
Flash & Video Downloader is a great download manager tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos , Vimeo and more) with a single click.. Fully supported new Firefox Quantum 57
2,022 users
WebRTC Leak Shield
Disable WebRTC and prevent IP leak.
4,924 users