Mechanical Keyboard Tester & Ghosting Test
Test your chemical or laptop keyboard keys online. Detect ghosting issues and n-key rollover performance with our professional tester.
Ghosting Detection
Detect keyboard ghosting when pressing multiple keys
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
`
1
2
3
4
5
6
7
8
9
0
-
=
Backspace
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
Key Status
Last Key Pressed
—
Keys Tested
0 / 104
Rollover (KRO)
0
Pressed History
Tip: Press any key on your physical keyboard to see it light up on the screen.
How to use the Keyboard Tester?
1. Visual Layout
Press any key on your physical keyboard to see it light up on the visual layout. This helps identify non-functional keys.
2. Ghosting Detection
Enable ghosting mode and press multiple keys simultaneously. The tool will detect if your keyboard has ghosting issues where certain key combinations don't register.
3. Key History
Track all keys you've pressed during the test session. Useful for comprehensive keyboard diagnostics.
4. Full Coverage
Test all 104+ keys including function keys, modifiers, and special keys to ensure complete keyboard functionality.
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