Keyboard Tester

Visually test if keyboard keys are working properly

Current Key

Press any key to start testing...

Performance Stats

Poll Rate (Hz)
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Poll Rate
Key Speed (keys/sec)
0
Key Speed
Total Keys
0
keys
Avg Delay (ms)
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Avg Delay
Min Delay (ms)
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Min Delay
Max Delay (ms)
--
Max Delay

虚拟键盘

Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
PrtSc
ScrLk
Pause
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1
2
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4
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0
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当前按下: 0 个按键

Key History (Last 10)

No records yet

Usage

Basic Features

  • • Press any key on this page, the virtual keyboard will highlight in real-time
  • • Supports multiple keys pressed simultaneously (e.g., Ctrl+C)
  • • Displays detailed key information: Key, Code, KeyCode
  • • Records last 10 key presses
  • • Supports Windows and Mac keyboard layout switching

Performance Metrics

  • • Poll Rate (Hz): Keyboard polling frequency, common values are 125/250/500/1000Hz
  • • KPS (keys/sec): Keys per second, reflects typing speed in real-time
  • • Delay (ms): Key response delay, lower is better
  • • Statistics include average/min/max delay
Keyboard Tester - Online Key Function and Poll Rate Test Tool | BeSmile | BetterTools