⌨️ Keyboard Tester
Press "Start Test" to enter keyboard testing mode. Each pressed key will light up. Note: "Fn" key cannot be checked
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
PrtSc
ScrLk
Pause
Num
/
*
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1
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0
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Backspace
Ins
Home
PgUp
7
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+
Tab
Q
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R
T
Y
U
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O
P
{ [
} ]
| \
Del
End
PgDn
4
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Caps
A
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D
F
G
H
J
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L
: ;
" '
Enter
1
2
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Enter
Shift
Z
X
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V
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N
M
< ,
> .
? /
Shift
↑
0
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Ctrl
Win
Alt
Space
Alt
Fn
Menu
Ctrl
←
↓
→
Keyboard Tester is a free and interactive online tool designed to help you test every key on your physical keyboard. Whether you're troubleshooting a faulty key, verifying a new keyboard, or simply checking your Numpad, this tool provides real-time visual feedback.
The interface highlights each key as you press it, including control keys, function keys (F1–F12), arrow keys, and numeric keypad support. You don’t need to install anything—just click "Start Test" and begin typing. The tool works seamlessly on laptops, desktops, and external USB keyboards.
Use this keyboard test tool to quickly diagnose stuck or unresponsive keys and ensure your keyboard is in perfect condition. Ideal for gamers, writers, coders, and anyone who relies on accurate keystrokes every day.