Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
Automatically refresh tabs based on custom time intervals
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
Speed Dial / visual bookmarks with groups for power users. Now you can fit all your favorite sites into one fast SpeedDial in an organized fashion. Dials are synchronized through Cloud to all your devices! For free! No Ads! www.FastAddons.com
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Latest builds on Github! AMO is dead.
Los grupos de pestañas de Tab Groups son una forma fácil de organizar muchas pestañas. Puede agrupar visualmente pestañas relacionadas, alternar entre grupos, y buscar rápidamente por todas sus pestañas para cambiar a una específica.
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Simply adds "Duplicate Tab" to tab context menu.
Experience a beautiful image from Google Earth every time you open a new tab.
Use native tab discard method to automatically reduce memory usage of inactive tabs
Save sessions as bookmarks and sync them through Firefox Sync. Advanced Session Manager: edit, save, change, restore. But it's can also be your best Bookmark Manager
Snooze Tabs help you focus your attention online, whether you want to remove distractions for now or save something for later. Hit the snooze icon to dismiss tabs you don’t want now, and set an alarm to bring them back when you need them.