Disable YouTube HTML5 player from auto-playing.
Double click (double tap) on a link to open it in a new Tab. Designed for tablets and laptop trackpads, which don't have a right click mouse button.
Displays a large clock and can set alarms
Free Art Tab shows a nice painting or photograph from Europeana every time you open a new tab or browser window.
Simple and Smart way to organize all your bookmarks in one Homepage. Access all your favorite bookmarks from any device and browser.
Amélioration du module Navigation Stats.
Add custom styles and scripts to any websites! 2600+ Your favorite Emojis ready to copy-paste! Sorted by categories can be combined into EMOJIPASTA!!! COMBO 2 in 1!
Hot Victoria's Secret Angels on every new tab! Enjoy HD images of beautiful and fashionable women that refresh with every new tab!
Theme your new tab page with HD wallpapers of unicorns magic horses rainbows and stars! Perfect for My Little Pony and Horse fans
Set maximum number of opened tabs in a window.
If the specified keyword exists in the URL, it is an add-on that stands out in red.You can set multiple keywords.
A better new tab experience.
Links to Weather via wttr.in and search via Duck Duck Go
A listing of top sites accessed through the topSites Firefox API.
Duplicates the current tab when you click the icon.
Source, issues: https://github.com/Skeletonxf/duplicate-tab/
Vertical tabs for Firefox 55+, using the SideBar API
Quickly navigate back in the browser history by clicking on the left border of the window, navigate forward by right-clicking on it, middle-click on the left border to close the current tab, and rotate the mouse-wheel to cycle through your tabs.
Lightweight New Tab replacement for your browser with backgrounds from unsplash.com
Experience a beautiful image from Google Earth every time you open a new tab.
Block websites for a given time to help you focus on work/study. Using a 'browser 10 min then block 50 min' approach
This addon uses the new WebExtension format so it's compatiable with Firefox 57+