15,074 users
13,474 users
Livemarks
Get auto-updated RSS feed bookmark folders.
12,926 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
12,856 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
12,836 users
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
12,171 users
Clippings
Save frequently-entered text for pasting later.
12,049 users
11,716 users
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
11,583 users
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
10,333 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
10,229 users
Stylebot
Change the appearance of the web instantly
9,483 users
8,335 users
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
6,908 users
5,665 users
5,539 users
4,946 users
4,280 users
4,073 users
3,975 users
3,696 users
3,108 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
2,830 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
2,194 users
2,077 users