Keyboard Test
Press every key. The tester tracks physical key codes, rollover, repeat behavior and suspicious switch chatter.
0 keys tested
Max rollover: 0
Escape
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
`
1
2
3
4
5
6
7
8
9
0
Minus
Equal
Backspace
Tab
Q
W
E
R
T
Y
U
I
O
P
Bracket L
Bracket R
Backslash
CapsLock
A
S
D
F
G
H
J
K
L
Semicolon
Quote
Enter
Shift L
Z
X
C
V
B
N
M
Comma
Period
Slash
Shift R
Ctrl L
Meta L
Alt L
Space
Alt R
Meta R
ContextMenu
Ctrl R
L
Up
Down
R
NKRO / rollover
Hold several keys together. Maximum simultaneous keys seen: 0.
Switch chatter
Events repeated within 45 ms are flagged.
No chatter detected
Repeat delay / rate
Hold one key until it repeats.
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