Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive.is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
Stylish audio equalizer in toolbar popup.
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.