Key Inspector is a free online tool that shows exactly what your keyboard sends to the browser. Press any key and it reveals the event's code, key, keyCode, held modifiers, and physical location — with a plain-English explanation, so developers can debug shortcuts and anyone can satisfy their curiosity.
Press any key…
Waiting for a keypress.
On a phone or tablet? Tap a key below — it runs through the same display as a real keypress.
The most recent 20 key events, latest first. Holding a key down counts as one entry.
No keys yet — press a key to begin.
Everything runs in your browser. No keystrokes are recorded, stored, or sent anywhere.