Keyboard Tester

Press keys to see them light up — find stuck or dead keys and test n-key rollover

Press any key to test it. Keys light up when pressed and stay highlighted once tested — keys that never light up may be dead.

Keys detected
0 / 101
Max rollover
—
Held now
0
Last key
—
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
`
1
2
3
4
5
6
7
8
9
0
-
=
⌫
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
Space
Alt
Win
Menu
Ctrl
Navigation
Ins
Home
PgUp
Del
End
PgDn
Arrows
↑
←
↓
→
Numpad
Num
/
*
-
7
8
9
+
4
5
6
1
2
3
↵
0
.

Tip: a key that stays lit after you release it may be stuck. Some keys (F12, Ctrl+W, etc.) are reserved by the browser and may not register.

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