Disable Ctrl-Q and Cmd-Q
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Rob W

Disable Ctrl-Q and Cmd-Q v2resigned1

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2.70 (87 reviews)
Overrides the Ctrl-Q and Command-Q shortcut so that you cannot accidentally quit Firefox. To quit anyway, use the 'Quit Firefox' menu item.

Instead of this add-on, visit about:config and set browser.quitShortcut.disabled to true to disable Ctrl-Q/Cmd-Q. (Firefox 87+ only, since bug 52821 got fixed).

I have closed Firefox too often by accident while pressing Ctrl-Q (Linux/Windows/Mac) or Command-Q (Mac). This is especially inconvenient in private browsing mode, because such tabs are not restored by session restore when you restart Firefox.

This add-on replaces the Ctrl-Q and Command-Q shortcuts, so that upon pressing these shortcuts, Firefox does not quit any more. This add-on does not work as expected in Linux, until bug 1325692 is fixed. It works on macOS and Windows.

Instead of this add-on, visit about:config and set browser.quitShortcut.disabled to true to disable Ctrl-Q/Cmd-Q.