Add-ons for Firefox (en-US)

RECOMMENDED

TWP - Translate Web Pages

Translate text without leaving the page you're on (PDF compatible).

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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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Extension Starter Pack

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Privacy & Security

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Productivity extensions

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Recommended extensions

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
71,856 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
Rated 4.1 out of 5
Dishita
356,242 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
Rated 4.1 out of 5
CoreBoolean
6,151 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Max RF
536,956 users

Recommended themes

Ant Parade
Rated 5 out of 5
Fyreheart
62 users
Dark Rainbows Theme
Rated 4.4 out of 5
Licoricethecat
550 users
Kaeya Namecard (long)
Rated 5 out of 5
37ratsinatrenchcoat
156 users

Tab managers

Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
Rated 4.5 out of 5
tlintspr
90,276 users
OneTab
Save up to 95% memory and reduce tab clutter
Rated 4.1 out of 5
OneTab Team
152,822 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
148,731 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
71,856 users

Gaming & media extensions

Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Max RF
536,956 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)
750,064 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
Rated 4.6 out of 5
Dmitry Selivanov
906,665 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
213,143 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
1,279,150 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
213,143 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
47,924 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
51,500 users

“mp3” tagged extensions

Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
Rated 4.1 out of 5
Dishita
356,242 users
Global Speed - Video Speed Control
Set a default speed for video and audio.
Rated 4.7 out of 5
POLYWOCK
49,934 users
Librezam
Open-source music recognition extension using Shazam API (also supports Audd, ACRCloud, Tencent, and NetEase APIs as alternative backends)
Rated 4.7 out of 5
FoxRefire
47,685 users
YouTube mp3
The YouTube-mp3 Add-on generates a "MP3" button on YouTube. Convert YouTube to mp3 and download the file to your device.
Rated 3.4 out of 5
Addon Developer
27,377 users