Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
143.513 users
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
65.319 users
User-Agent Switcher and Manager
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
19.841 users
Search by Image - Reverse Image Search
Reverse image search using various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
68.622 users
Gesturefy
Customizable mouse gesture add-on, which supports over 60 different commands and additional features like rocker and wheel gestures.
119.690 users
Clippings
Save frequently-entered text for pasting later.
36.487 users
Tomato Clock
Tomato Clock is a simple browser extension for managing your productivity.
15.346 users
Impulse Blocker
Block distracting websites when you are browsing the web. You can list websites that you don't want to visit in the settings. You can pause or turn off the blocker quickly. Completely open source.
6.164 users
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
510.553 users
Turn Off the Lights
La pàgina sencera s'enfosquirà, així podrà veure els vídeos com si fos al cinema.
43.067 users
Iridium for YouTube
YouTube with more freedom
15.414 users
SoundFixer
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
16.565 users
Brief
Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items with a single click.
12.406 users
RSSPreview
Preview RSS feeds in browser
4.414 users
Feed Preview
Indicates available RSS and Atom feeds and renders previews.
2.911 users
mPage
Simple dashboard-like RSS feed reader.
686 users