Keyboard Tester
Press every key on your keyboard. Any key that doesn't light up green here may not be working correctly.
0 / 0 keys tested
How this works
This tool listens for physical key presses and highlights the matching key on screen. It can't detect a broken key on its own — a website has no way to know when a key fails to send a signal. Press every key yourself: any key that never lights up may not be working.