Keyboard Tester Generic Full

🎯 Last Key

event.code
event.key
keyCode
location
Δ since prev
chatter?
Untested Pressed Tested OK ⚠ Chatter (bounce) Missed press Macro / G / M key
Keys tested 0 / 0 (0%)
Input History Clear
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Chatter (Double-Click) Detection

Threshold: 35 ms
Same key registering a 2nd press within 35 ms of release is flagged as switch bounce (unwanted double-click). 20–35 ms is typical for healthy mechanical switches.
0
⚠ Chatter Events
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Keys w/ Chatter
KeyPressMin ΔAvg ΔStatus

Rapid-Press / Missed-Press Test

Target presses:
Click Start, then mash any single key the target number of times. The first key you press becomes the test target. Detects missed presses & chatter.
Idle. Click Start and press the key you want to test.