
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
45,899 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
102,808 users
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.
34,959 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
162,044 users
418 users
376 users
934 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
148,601 users
Tree Style Tab
Show tabs like a tree.
189,046 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
162,044 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
76,226 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
883,558 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
486,393 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
952,786 users
Augmented Steam
Augments your Steam Experience
61,084 users
137 users
302 users
2,052 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,229,095 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
196,677 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
39,381 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
64,345 users
Video DownloadHelper
Download videos from the web. Easy, smart, no tracking.
1,806,924 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
449,489 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
106,482 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
78,672 users