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Ctrl+F4, Ctrl+W close tab Alt+F4 close window Ctrl+(Shift+?)+Q close browser entirely Ctrl+Shift+T undo close tab Ctrl+Shift+N undo close window Ctrl+N new window Ctrl+Shift+P new private window Ctrl+B toggle bookmarks bar Ctrl+Shift+B open library (bookmarks window) Ctrl+H open history in side pane Ctrl+Shift+H open library (history window) Ctrl+G, F3 find again Ctrl+Shift+G, Shift+F3 find previous Ctrl+Shift+V paste as plain text Ctrl+Shift-Z redo Alt+Entry in address bar opens address in new tab

Also ctrl-shift-t to undo close tab

Some browser-based editors will helpfully offer Vim bindings for editing, without exhaustively emulating all bindings. Of course, once in the flow of editing, I type Ctrl+W to delete a word, and voila, the tab closes!

Alt F4 is for duplicating the window with all of its tabs. /s

Kids, never learn keyboard shortcuts from strangers in the internet

It may take a while, be patient!