Add-ons for Firefox (en-US)

RECOMMENDED

YouTube Search Fixer

De-clutter YouTube. Strip away unwanted elements like related videos, shorts & 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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YouTube customization

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Privacy & Security

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Reddit extensions

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Recommended extensions

Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
Rated 4.5 out of 5
Mikhail Khvoinitsky
24,244 users
Clippings
Save frequently-entered text for pasting later.
Rated 4.4 out of 5
AE Creations
11,854 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
Rated 4.5 out of 5
NightDev
479,327 users
YouTube Tweaks
A collection of tweaks for hiding Shorts, disabling 'Video paused. Continue watching?', changing the number of videos per row and more!
Rated 4.8 out of 5
Pedro
15,760 users

Recommended themes

17-1
Rated 5 out of 5
redcardinal
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Neapolitan Ice Cream
Rated 4.9 out of 5
Alfredo
1,005 users
Pool Day
Rated 4.8 out of 5
spedwagoon
548 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
161,216 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
95,219 users
OneTab
Save up to 95% memory and reduce tab clutter
Rated 4.1 out of 5
OneTab Team
158,014 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
77,636 users

Gaming & media extensions

Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Max RF
573,485 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)
790,701 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.5 out of 5
Dmitry Selivanov
907,928 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
223,659 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
1,322,886 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
223,659 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
50,268 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
53,258 users

“google” tagged extensions

Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.5 out of 5
Dmitry Selivanov
907,928 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
643,736 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
560,827 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
456,361 users