Press keys on your physical keyboard to see keydown and keyup events, confirm special keys, and spot missing or repeating inputs.
For a complete test, connect a physical keyboard. Mobile keyboards expose only some events.
Start testing on this page. Fullscreen is optional and opens only when you choose it.
Press Start protected test to enter fullscreen capture mode.
Press and release each key, including F-keys and modifier combinations.
Watch tested keys turn green and review the event log.
Use the on-screen Stop button to restore normal shortcuts, or Reset to begin a fresh pass.
Most readings come directly from browser APIs and stay on your device. Operating systems, browser permissions, scaling, drivers, and hardware can affect what a page can observe.
For the cleanest result, use an up-to-date browser, keep the tab visible, and close apps that may already be using the device.
No. This test runs locally in your browser. RatedTechTools does not receive or store the device data shown by the tool.
Protected mode uses fullscreen, Keyboard Lock where supported, and capture-phase event blocking. Browser shortcuts such as F5 are blocked where the browser permits it. Operating-system-reserved keys such as the Windows or Command key may never be delivered to a website and cannot be guaranteed.
Yes. Any physical keyboard that sends standard browser KeyboardEvents can be tested.