Keyboard Tester (Test Every Key Online)
Utility ToolsCheck that every key on your keyboard works
FreePrivateInstant
Press any key on your keyboard
Keys light up when pressed. Green keys stay marked so you can see which ones work.
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
[ L
[ R
\
Caps
A
S
D
F
G
H
J
K
L
;
'
Enter
Shift L
Z
X
C
V
B
N
M
,
.
/
Shift R
Ctrl L
Win L
Alt L
Space
Alt R
Win R
Menu
Ctrl R
L
Up
Down
R
Insert
Delete
Home
End
PageUp
PageDown
0 of 84 keys tested.
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History
All history →Keyboard Tester (Test Every Key Online) — at a glance
Find out which keys work and which do not.
A
Enter
Space
Test
KeyA · 65
How to use it — step by step
A physical keyboard. Just press keys.
1
Press keys
Each key lights up blue while held.
2
See key details
Key name, code and keyCode appear.
3
Check green keys
Keys you tested stay green.
Pro tips
Small things that make the result better.
✦Test every key including modifier keys.
✦If a key never lights, it may be faulty or blocked by the OS.
✦Use Clear to start again.
Quick facts
70+ keyson the layout
Livekey codes
Privateno data sent
Freeno signup
Frequently Asked Questions
Why does Fn not show?+
Most keyboards handle Fn in hardware, so the browser cannot see it.
Does it work on mobile?+
It needs a physical keyboard.
Can it prevent actions?+
Yes, key presses on this page are not passed to the browser while testing.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.
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