This Firefox add-on arranges tabs in a vertical rather than horizontal fashion. Hide and display manually the tab sidebar with a hotkey (Ctrl+Shift+V) or by clicking on the VTR icon. Vertical Tabs Reloaded is a fork of Vertical Tabs , inspired in turn by Tree Style Tab . Features: arranges tabs vertical ships 4 different styles for the tab sidebar hides tab sidebar in fullscreen mode hide/display manually the tab sidebar with a hotkey (Ctrl+Shift+V) or by clicking on the VTR icon display the tab toolbar at top, bottom (default) or hide it completely show the tab status (unloaded, unready, busy) visually on the tabs