Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
ReloadMatic: Automatic Tab Refresh
ReloadMatic automates the periodic reloading / refreshing of browser tabs. It offers cache control, custom intervals, POST support and many other features. It also integrates with browser features such as tab restore, pinning, and incognito mode.
28,135 users
FoxyTab
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
14,855 users
Imagus
Enlarge thumbnails, and show images/videos from links with a mouse hover.
70,613 users
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
64,336 users
Grammarly for Firefox
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
872,914 users
Gesturefy
Customizable mouse gesture add-on, which supports over 60 different commands and additional features like rocker and wheel gestures.
120,069 users
Clippings
Save frequently-entered text for pasting later.
37,489 users
Bookmarks Organizer
With the Bookmarks Organizer it's easy to put order in your bookmarks. The Bookmarks Organizer finds no longer working bookmarks, redirects, duplicates and more!
23,073 users
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
511,409 users
Turn Off the Lights
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. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
42,937 users
Iridium for YouTube
YouTube with more freedom
15,495 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!)
16,473 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.
12,458 users
RSSPreview
Preview RSS feeds in browser
4,306 users
Feed Preview
Indicates available RSS and Atom feeds and renders previews.
2,912 users
mPage
Simple dashboard-like RSS feed reader.
678 users