Test of Ghosting

Press as many keys as you can at the same time to check the limit of your keyboard and detect effect ghosting.

Simultaneous Keys

Press keys to see them here...

Maximum Record: 0 keys

What is Keyboard Ghosting?

"Ghosting" occurs when you press several keys at the same time on your keyboard, but some of them do not register on the computer. Cheap or office keyboards usually have a limit of 2 to 4 simultaneous keys.

What is N-Key Rollover (NKRO)?

High-quality mechanical or gaming keyboards include N-Key Rollover technology. The letter "N" represents the mathematical number infinite, which means that you can press virtually all the keys on the keyboard at the same time and the computer will register each one of them without losing any signal.

What is Test of Ghosting and how does it work?

Press as many keys as you can at the same time to check the limit of your keyboard and detect effect ghosting.. This free online tool is designed to be fast, secure, and easy to use directly from your browser without any downloads.

How to use this tool

Follow these simple steps to get the best results instantly:

Select your preferred options or input your data into the panel.
Click the main action button to start the process.
Review your results instantly on the screen.

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We value your privacy. All processing is done locally on your device. No data is ever sent to or stored on our servers.