Why a Key Does Not Register
A key press passes through seven layers before a page sees it, and only three of them travel with the…
Tests every key on the number pad, including Num Lock, the operators and the separate Enter key, without touching the main keyboard.
The Numpad Test tests every key on the number pad, including Num Lock, the operators and the separate Enter key, without touching the main keyboard. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
A key press passes through seven layers before a page sees it, and only three of them travel with the…
Test keyboard keys, inspect repeated inputs and review a local test summary. Get clear…
A full-size keyboard tester that runs in the browser with nothing to install. Every key you…
Tests a tenkeyless keyboard — the full layout minus the number pad — including the function…
Tests a compact 60% or 65% keyboard: the alphanumeric block, modifiers and arrows, without the…
Tests the four arrow keys on their own. Useful when only the direction keys have stopped…
Tests the F1 to F12 row and shows which keys your browser intercepts before the page can see…
Tests Shift, Ctrl, Alt, Meta, Caps Lock, Tab and Escape, telling the left and right versions…
Measures how many keys your keyboard can register at once. Membrane boards usually stop at…
Hold real gaming and typing combinations together and see whether every key arrives — or one…
Finds switches that register twice from one press. Flags a key that registers again under 60…