Add-ons for Firefox (en-GB)

RECOMMENDED

Tomato Clock

Manage your time better with a browser clock that charts work intervals.

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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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Privacy & Security

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Essential add-ons

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Declutter your desktop

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Recommended extensions

Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
Rated 4.5 out of 5
JanH
183,368 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
Rated 4.4 out of 5
Deathamns
59,017 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
Rated 4.1 out of 5
OneTab Team
157,668 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
Rated 4.7 out of 5
Manuel Reimer
42,953 users

Tab managers

OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
Rated 4.1 out of 5
OneTab Team
157,668 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
Rated 4.2 out of 5
sienori
149,443 users
Tree Style Tab
Show tabs like a tree.
Rated 4.5 out of 5
Piro (piro_or)
180,238 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
Rated 4.6 out of 5
tabliss.io
74,200 users

Gaming & media extensions

Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Maxime RF
648,774 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
Rated 4.8 out of 5
Ajay (SponsorBlock)
635,321 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.7 out of 5
Dmitry Selivanov
884,316 users
Audio Equalizer
Stylish audio equalizer in toolbar popup.
Rated 4 out of 5
Muyor
64,812 users

Recommended themes

Wonderful sunset and what rays
Rated 4.7 out of 5
rositza
2,515 users
Orion Nebula - massive star formation
Rated 5 out of 5
Sondergaard
438 users
Cat in a Bag o
Rated 5 out of 5
wush
746 users

Accessibility extensions

Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
Rated 4.5 out of 5
Dark Reader Ltd
1,219,981 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
Rated 3.8 out of 5
LSD Software
193,232 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
Rated 3.2 out of 5
Dark Mode
39,391 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
Rated 4.7 out of 5
mbnuqw
61,717 users

“chat” tagged extensions

BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
Rated 4.6 out of 5
NightDev
492,328 users
FrankerFaceZ
The Twitch Enhancement Suite - Get custom emotes and tons of new features you'll never want to go without.
Rated 4.4 out of 5
FrankerFaceZ
102,258 users
Netflix Party is now Teleparty
Watch Netflix, Youtube, Disney Plus, Hulu, HBO, and Amazon Prime Video in sync with friends
Rated 3.4 out of 5
Teleparty Team
57,543 users
Watch2Gether
With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.
Rated 4.2 out of 5
Watch2Gether
55,047 users