Excellent add-on, could you please add the command "close all tabs"? Thanks. Edited in response to developer's reply: Close other tabs means the current tab will remain open, Close window means of course what it says. I am talking about closing ALL tabs but leaving the window open on the start page (can be selected in about:config). Such a command existed in the now defunct All-in-one gesture add-on. There is an add-on that provides a toolbar button to do that as well https://addons.mozilla.org/en-US/firefox/addon/close-all-button/ Just for your info.