Keyboard Ghosting & N-Key Rollover (NKRO) Tester
Press multiple keys simultaneously to test matrix anti-ghosting and rollover capacity
Held Keys: 0 | Max Rollover: 0-KRO
Reset Matrix
Escape
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
[
]
\
CapsLock
A
S
D
F
G
H
J
K
L
;
'
Enter
ShiftLeft
Z
X
C
V
B
N
M
,
.
/
ShiftRight
ControlLeft
AltLeft
SPACEBAR
AltRight
ControlRight
Currently Held Keys
None (Press any keyboard keys)