Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
81,175 users
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
71,931 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
164,821 users
DuckDuckGo Privacy Essentials
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.
1,106,649 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,001,615 users
Facebook Container
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.
1,576,798 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
3,806,272 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,204,697 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,001,615 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
880,890 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
880,890 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
164,821 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
78,606 users
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
3,402 users