Responsive Design View in Mozilla Firefox
Developer toolsWindowsCtrl+Shift+MCtrlShiftM
MacCmd+Option+M⌘⌥M
On Windows, press Ctrl + Shift + M. On Mac, press Cmd + Option + M.
Ask your agent
Prompt
In Mozilla Firefox, the shortcut to "Responsive Design View" is Ctrl+Shift+M on Windows and Cmd+Option+M on Mac. Check whether anything in my setup overrides it, and if I want a different key, change the binding for me.
Paste into Claude Code and it will do the rest.
Related Mozilla Firefox shortcuts
- Toggle Developer ToolsCtrl+Shift+ICtrlShiftI
- Web ConsoleCtrl+Shift+KCtrlShiftK
- InspectorCtrl+Shift+CCtrlShiftC
- NetworkCtrl+Shift+ECtrlShiftE
- Page SourceCtrl+UCtrlU
- Browser ConsoleCtrl+Shift+JCtrlShiftJ
- Page InfoCtrl+ICtrlI
- Add-onsCtrl+Shift+ACtrlShiftA
Questions
On Windows, press Ctrl + Shift + M. On Mac, press Cmd + Option + M.