keyboard tester
press any key to light it up on the board and see its key, code and keycode.
runs on your device · free · no sign-up
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frequently asked questions
how do i find a dead key?
press every key. keys that never light up may be faulty or blocked by the browser.
why do some keys not register?
the operating system or browser may reserve a few shortcuts. those cannot be detected.
are my keystrokes recorded?
no. keys are shown on screen only and never stored or sent.