Add-ons for Firefox (en-US)

RECOMMENDED

ScrollAnywhere

Phone-like scrolling for your desktop. Features "grab-n-drag" style mouse movement.

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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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YouTube customization

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Privacy & Security

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Reddit extensions

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Recommended extensions

CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
Rated 4.6 out of 5
kkapsner
38,167 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
161,952 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
Rated 4.1 out of 5
Juan Escobar
644,017 users
Download Manager (S3)
View and manage downloads from a tidy status bar.
Rated 4.1 out of 5
Oleksandr
52,149 users

Recommended themes

Proxy Universe - Dark Orange Neon
Rated 4.1 out of 5
Proxy Universe
1,136 users
Neapolitan Ice Cream
Rated 4.9 out of 5
Alfredo
1,054 users
Yellow Flower Tree
Rated 4.3 out of 5
AdamVikingen
4,519 users

Tab managers

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
161,952 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
Rated 4.5 out of 5
tlintspr
95,402 users
OneTab
Save up to 95% memory and reduce tab clutter
Rated 4.1 out of 5
OneTab Team
158,024 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Rated 4.1 out of 5
James Fray
77,602 users

Gaming & media extensions

Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Max RF
574,522 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)
792,432 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.5 out of 5
Dmitry Selivanov
904,321 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
224,547 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
1,324,137 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
224,547 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
50,366 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
53,314 users

“google” tagged extensions

Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.5 out of 5
Dmitry Selivanov
904,321 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
Rated 4.1 out of 5
Juan Escobar
644,017 users
TWP - Translate Web Pages
Translate your page in real time using Google, Bing or Yandex. It is not necessary to open new tabs.
Rated 4.7 out of 5
Filipe Dev
560,568 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
Rated 4.6 out of 5
Armin Sebastian
456,619 users