Duplicate Tab 1.0.2 Requires Restart
by Twanno
Duplicate Tab allows you to clone a tab along with its...
About this Add-on
Other features available are "Merge Windows" which moves all tabs from all windows in to one single window, and "Detach Tab" which makes a window out of a tab.
For both features you can select tabs with Ctrl+Click. This allows you to merge only the selected tabs into a window, or to detach all selected tabs as tabs in a new window.
All actions can be invoked by toolbar buttons, shortcut keys and context menu items.