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

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Privacy beyond browser extensions

Media enhancers for Firefox

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Recommended extensions

Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
Rated 4.6 out of 5
meetDeveloper
19,205 users
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
Rated 4.2 out of 5
Animesh Kundu
14,387 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
2,264,847 users
Feedbro
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
Rated 4.5 out of 5
Nodetics
44,248 users

Popular themes

Matte Black (Red)
Rated 4.8 out of 5
Elijah Lopez
80,425 users
Dark Fox
Rated 4.7 out of 5
randomaster
56,517 users
Northern Lake FT by MaDonna
Rated 4.8 out of 5
MaDonna
28,371 users

Enhanced privacy extensions

Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
Rated 4.3 out of 5
Ghostery
1,229,092 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
1,968,243 users
Privacy Badger
Automatically learns to block invisible trackers.
Rated 4.8 out of 5
EFF Technologists
1,030,389 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 4.6 out of 5
DuckDuckGo
1,471,972 users

Popular extensions

uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
Rated 4.8 out of 5
Raymond Hill
5,104,045 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
2,264,847 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 4.6 out of 5
DuckDuckGo
1,471,972 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
Rated 4.8 out of 5
AdAvoid
1,363,439 users

Recommended themes

Half Ubuntu Life
Rated 4.5 out of 5
JigenD
198 users
Classy black and Blue
Rated 5 out of 5
Roxz
1 user
Ophidian - Geometry Red
Rated 5 out of 5
Ophidian
6 users

Recommended password managers

Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Rated 4.8 out of 5
Bitwarden Inc.
281,544 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
Rated 3.8 out of 5
LastPass
900,222 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
76,005 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
4,506 users