Keyboard Input Diagnostic
Test your keyboard online
Press keys on your physical keyboard and watch a virtual layout respond in real time so you can spot dead, sticky, or inconsistent inputs.
Useful after spills, repairs, travel, or whenever a shortcut suddenly stops working.
ChecksRealtime key response
Best forLaptop and USB keyboards
OutputPressed map and event log
Tested keys0
Unique hardware codes seen this session
Currently pressed0
Useful for modifiers and rollover checks
Layout noteCode-based
Some printed legends differ across regional keyboards
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
PrtSc
Scroll
Pause
`
1
2
3
4
5
6
7
8
9
0
-
=
Backspace
Insert
Home
PgUp
Tab
Q
W
E
R
T
Y
U
I
O
P
[
]
\
Delete
End
PgDn
Caps
A
S
D
F
G
H
J
K
L
;
'
Enter
Shift
Z
X
C
V
B
N
M
,
.
/
Shift
Up
Ctrl
Win
Alt
Space
Alt
Menu
Fn
Ctrl
Left
Down
Right
Recent Key Events
Press any key to start the event log. Modifier keys like Shift, Control, Alt, and Meta are especially useful for shortcut troubleshooting.