键盘测试功能
测试键盘每个按键是否正常工作，支持多键同时检测
Key History
Press any key to start...About This Tool
Test every key on your keyboard with our comprehensive keyboard tester. This online keyboard test tool detects key presses, rollovers, and ghosting issues instantly. Whether you are checking a new mechanical keyboard or troubleshooting a faulty key, our visual keyboard layout makes it easy to identify problems. Supports all standard keyboard layouts and NKRO detection.
How to Use
- Press any key on your keyboard
- Watch the corresponding key light up on the virtual keyboard
- Check for unresponsive keys or ghosting issues
FAQ
What is key rollover?
Key rollover is how many keys can be pressed simultaneously and still register. NKRO means unlimited.
My key is not responding. Is it broken?
First clean the key switch, check the connection, then retest. If still unresponsive, it may need repair.
Does this test work wirelessly?
Yes, it works with both wired and Bluetooth keyboards.
What is ghosting?
Ghosting occurs when pressing one key triggers an unintended key registration, a common hardware limitation.
Can I test multimedia keys?
Yes, most multimedia and function keys are detected and displayed on the virtual keyboard.