Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
193,623 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.
739,577 users
Search by Image
Reverse image search using various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
79,798 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,216,918 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.
205,369 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.
739,577 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,755,480 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
1,513,542 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,216,918 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
898,249 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
131,103 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.
51,470 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
88,975 users