Tap or press keys — detected keys appear above.
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Press the shown key as fast as you can!
KeyboardTester lets you test every key on your keyboard to make sure they all work. Press any key and see it light up on the virtual keyboard display. Perfect for testing new keyboards, checking for stuck keys, or troubleshooting input issues.
Simply press any key on your keyboard and watch it highlight on the virtual display. Each key lights up to confirm it's registering properly. Test all keys to verify your keyboard is working correctly.
Before returning a keyboard or troubleshooting input problems, you need to know which keys work. KeyboardTester gives you instant visual confirmation for every single key.
Yes! KeyboardTester is completely free with no signup required. Your data stays in your browser.