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Keyboard Test
키보드 테스트 · 키 눌림 점검 · keyboard test · key tester · stuck key
Keyboard Test
Pressed keys light up, so you can find keys that don't respond (stuck or dead).
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
;
'
⏎
shift
Z
X
C
V
B
N
M
,
.
/
shift
ctrl
⌘
alt
alt
ctrl
←
↑
↓
→
PressingTested
Press each key. Keys you've pressed turn green, making it easy to spot unresponsive ones. (Some shortcuts may be intercepted by the browser.)
How to use
- 1
Press each key on your keyboard.
- 2
Pressed keys highlight and tested keys turn green.
- 3
A key that doesn't respond is faulty.
FAQ
Is this tool free?
Yes — no sign-up, no installation, completely free to use right away.
What is this tool?
Press a key and it lights up on the on-screen keyboard. Keys you've pressed turn green, so you can instantly spot a stuck or dead key that doesn't respond. It also shows the name and code of the last key pressed. Everything runs in your browser, free with no install.