Keyboard Latency Tester
Measure browser-visible keydown, keyup, hold, repeat, and rhythm timing locally without storing typed text.
Browser local
Recent key codes
Key codes only; typed characters are not stored.
No keydown events yet.
Timing summary
- Presses
- 0 presses · 0 repeats
- Average hold
- 0.0 ms
- Average rhythm
- 0.0 ms
- Rhythm jitter
- 0.0 ms
Currently held: none.
Help, FAQs & related tools
Shipped
What this tool does
Keyboard Latency Tester helps you measure browser-visible keydown, keyup, hold, repeat, and rhythm timing locally without storing typed text.
What you get
Keyboard Latency Tester produces a direct output in this page and is designed to keep processing on your device.
Something not working? Report a bug
Report a bug
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