Keyboard Tester
Press any key to see its key code, location, and modifier states.
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Press any key to start testing
Keyboard Event Properties
key: The value of the key pressed
code: Physical key on the keyboard
keyCode/which: Deprecated but still used numeric code
location: Position of the key (Standard/Left/Right/Numpad)
Modifier Keys: Ctrl, Shift, Alt, Meta (Cmd/Win) states
repeat: Indicates if key is being held down