Add-ons for Firefox (en-US)

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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.

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Tab organizers and tools

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Privacy beyond browser extensions

Media enhancers for Firefox

Explore extensions

Recommended extensions

Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
Rated 4.5 out of 5
Armin Sebastian
15,312 users
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
Rated 4.8 out of 5
MYKI
3,870 users
Impulse Blocker
Block distracting websites. Just list the sites you want Impulse Blocker to pause or completely avoid.
Rated 4.2 out of 5
raicem
8,399 users
Worldwide Radio
Listen to live radio stations from around the world!
Rated 4.6 out of 5
Oleksandr
76,373 users

Popular themes

Dark Fox
Rated 4.7 out of 5
randomaster
78,666 users
Rainbow Blur
Rated 4.7 out of 5
Alix P
42,338 users
Matte Black (Red)
Rated 4.9 out of 5
Elijah Lopez
41,450 users

Enhanced privacy extensions

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.
Rated 4.5 out of 5
Mozilla Firefox
2,044,624 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
Rated 4.5 out of 5
Ghostery
1,599,802 users
Privacy Badger
Automatically learns to block invisible trackers.
Rated 4.8 out of 5
EFF Technologists
1,266,980 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.
Rated 4.8 out of 5
Thomas Rientjes
286,126 users

Popular extensions

uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Rated 4.7 out of 5
Raymond Hill
5,868,943 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Rated 4.3 out of 5
mig
3,073,854 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.
Rated 4.5 out of 5
Mozilla Firefox
2,044,624 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.
Rated 4.4 out of 5
Giorgio Maone
1,835,861 users

Recommended themes

Happy Spring Flowers
Rated 5 out of 5
Tracee
4 users
Manjaro Breath (light)
Rated 4.8 out of 5
Pinonat
185 users
Dark Aubergine forked
Rated 4.5 out of 5
Chris Golpashin
3,123 users

Recommended password managers

LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
Rated 3.7 out of 5
LastPass
1,094,037 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Rated 4.8 out of 5
Bitwarden Inc.
216,359 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
Rated 4.2 out of 5
Siber Systems
97,084 users
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
Rated 4.8 out of 5
MYKI
3,870 users