Follow me: Make firefox more screen space

1. Use small icons in Toolbars

1.1 mouse left -click toolbar, select "Customize"

2.2 check "Use small icons"

2 Use the extension "Personal Menu" to hide(like IE7) or tiny menu, details follow here

Tips: Ctrl + Shift + Alt + S to recall Menu

2.1 Right-click on menu

2.2 This is the result, cool!

3 Make firefox full screen by pressing F11, but with a location/toolbar and a tab

4 Make firefox full screen without the remain bar using the extension “FullerScreen”, details follow here