Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
SearchPreview
The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails) and popularity ranks into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.
33,682 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
91,145 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
129,037 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,712,972 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,202,355 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.
203,528 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.
730,629 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,712,972 users
NoScript Security Suite
The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits. Disabled and can't reinstall? https://tinyurl.com/moz-ext-cert
1,501,561 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,202,355 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
877,050 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
129,037 users
1Password X – Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
50,218 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
87,244 users