If you have opened many number of the tabs in firefox, to see expected content which is in other tabs you have navigate through it, if it is not the desired tab you navigated, you have to go for other one. It is quite time consuming to navigate each tab for expected one.
Tab Scope is the add-on for firefox which previews the content of the tab through popup. Hover the mouse pointer on the tab, a popup shows the preview of the tab. The popup preview can be enlarged for the view and page can be scrolled from the popup. There is a back and forward buttons on the popup through which you can navigate back and forth of the page, refresh button to refresh the page from popup and stop button.
Showing preview of the tab after hovering mouse pointer.
In the options menu of this add-on, the width and height of the preview popup can be resized. The reaction time for showing the popup preview can also be customized. Go to tools —> add-ons –> select options for tab scope add-on. Then a window popups showing the tab scope options.
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