Add-ons for Firefox (en-US)

RECOMMENDED

EPUBReader

Read ePub files right in Firefox—increase font size, page dimensions, and more.

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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

Explore extensions

Privacy beyond browser extensions

Media enhancers for Firefox

Explore extensions

Recommended extensions

Disconnect
Make the web faster, more private, and more secure.
Rated 4.1 out of 5
Disconnect
111,367 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
Rated 4.6 out of 5
Alexander Shutau
424,679 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
Rated 4.7 out of 5
Adguard Software Ltd
360,678 users
Copy PlainText
Copy Plain Text without any formatting
Rated 4.7 out of 5
erosman
17,633 users

Popular themes

Matte Black (Red)
Rated 4.8 out of 5
Elijah Lopez
68,162 users
Dark Fox
Rated 4.7 out of 5
randomaster
60,658 users
Northern Lake by MaDonna
Rated 4.8 out of 5
MaDonna
34,981 users

Enhanced privacy extensions

DuckDuckGo Privacy Essentials
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.
Rated 4.5 out of 5
DuckDuckGo
1,203,297 users
Privacy Badger
Automatically learns to block invisible trackers.
Rated 4.8 out of 5
EFF Technologists
925,685 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
2,155,563 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
Rated 4.4 out of 5
Ghostery
1,044,787 users

Popular extensions

uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
Rated 4.7 out of 5
Raymond Hill
4,561,609 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
2,306,136 users
DuckDuckGo Privacy Essentials
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.
Rated 4.5 out of 5
DuckDuckGo
1,203,297 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
Rated 4.4 out of 5
Ghostery
1,044,787 users

Recommended themes

Floral Cool Blue
Rated 4.7 out of 5
kjmj14
227 users
Grunge House
Rated 5 out of 5
Vesperexa
113 users
Kurumi Tokisaki
Rated 4.7 out of 5
Zuki6s
429 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
916,399 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Rated 4.8 out of 5
Bitwarden Inc.
181,136 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
Rated 4.3 out of 5
Siber Systems
79,190 users
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
Rated 4.7 out of 5
MYKI
3,458 users