Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
B!tch to Boss
Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.
3 077 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
74 627 users
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
117 004 users
FoxyProxy Standard
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
185 152 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 585 228 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.
2 085 106 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.
292 689 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3 082 503 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
1 856 458 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 585 228 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
1 102 225 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
222 991 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
97 240 users
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
3 996 users