Don't want others to see your tabs? Or just want more space for the websites?
No problem, with this add-on you can hide the tabbar, by just pressing a key.
Pressing the key again, makes everything as it was before.
You can choose a hotkey to do that job or set a time to auto hide the tabbar. It is possible to override existing hotkeys like F1 if you want.
This extension also brings back the feature of hiding the tabbar when only one tab is open, which was removed in Firefox 23.
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