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Keyboard & Anti-Ghosting Tester

Interactive full-size keyboard layout tester to check switch actuation, keycodes, key rollover (NKRO), and anti-ghosting with authentic switch sound feedback.

Anti-Ghosting & Key Rollover Tester

Interactive Keyboard Tester

Press any key on your mechanical or laptop keyboard to test responsiveness, keycodes, and N-Key Rollover (NKRO).

Keys Tested
0
Active Pressed
0
Max Simultaneous (NKRO)
0 Keys
Last Key Code
None
ESC
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
~ `
! 1
@ 2
# 3
$ 4
% 5
^ 6
& 7
* 8
( 9
) 0
_ -
+ =
Backspace
Tab
Q
W
E
R
T
Y
U
I
O
P
{ [
} ]
| \
Caps
A
S
D
F
G
H
J
K
L
: ;
" '
Enter
Shift
Z
X
C
V
B
N
M
< ,
> .
? /
Shift
Ctrl
Win
Alt
Spacebar
Alt
Ctrl
◀
▲
▼
▶

How to Use the Keyboard & Anti-Ghosting Tester

  1. 1Press any key or combination of keys on your physical keyboard.
  2. 2Watch the virtual keyboard highlight active pressed keys and record tested switches in green.
  3. 3Hold down multiple keys simultaneously to benchmark your keyboard N-Key Rollover limit.

Key Features & Capabilities

  • Full visual keyboard graphic mapping Function, Number, QWERTY, and Modifiers
  • Simultaneous keypress counter for N-Key Rollover (NKRO) anti-ghosting test
  • Displays precise JavaScript Event Code, Key Value, and KeyCode numbers
  • Built-in mechanical switch click synthesizer with mute toggle

Frequently Asked Questions

What is keyboard ghosting?

Ghosting occurs when non-gaming membrane keyboards fail to register certain keys when 3 or more keys are pressed simultaneously.

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