Add-ons for Firefox (en-US)

RECOMMENDED

Worldwide Radio

Enjoy music from 30,000+ radio stations from all over the globe.

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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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Create a Firefox account to sync across devices

Privacy beyond browser extensions

Media enhancers for Firefox

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Recommended extensions

Block Site
A customizable, password-protected website blocker and redirector.
Rated 4.5 out of 5
Ray
26,887 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
Rated 4.2 out of 5
OneTab Team
101,453 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
2,822,130 users
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
Rated 4.5 out of 5
Ysard
44,033 users

Popular themes

Dark Fox
Rated 4.7 out of 5
randomaster
71,491 users
Rainbow Blur
Rated 4.7 out of 5
Alix P
41,802 users
Blue Carbon Fiber
Rated 4.7 out of 5
g.gecko
31,839 users

Enhanced privacy extensions

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
1,444,086 users
Privacy Badger
Automatically learns to block invisible trackers.
Rated 4.8 out of 5
EFF Technologists
874,169 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
248,671 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
965,284 users

Popular extensions

uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Rated 4.7 out of 5
Raymond Hill
5,386,402 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
2,822,130 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
1,673,257 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
1,444,086 users

Recommended themes

Light yellow with grid
Rated 5 out of 5
Horst
4 users
Seattle Sunset
There are no ratings yet
SeattleRex
10 users
green.alpha.25
Rated 4 out of 5
SubZeroV2547
67 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
961,283 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Rated 4.8 out of 5
8bit Solutions LLC
172,886 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
92,023 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.
Rated 4.2 out of 5
1Password
74,157 users