Online Keyboard Tester

Test your keyboard keys instantly. Check for stuck keys, test N-key rollover, and verify all keys are working properly.

Guided Test Mode

Follow a step-by-step test to verify all keyboard functions are working properly.

Last Key Pressed

-

Keys Tested

0 / 104

Simultaneous

0

Keyboard Layout
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

Scroll horizontally to see all keys

Statistics

Total Presses

0

Max Simultaneous

0

Session Time

00:00

Remaining

104

Keys/Second

0.00

Avg Duration

N/A

Key History
Press any key to start testing

Features

Real-time Detection

Instant visual feedback when you press any key on your keyboard.

N-Key Rollover Test

Test how many keys your keyboard can register simultaneously.

100% Private

All testing happens in your browser. No data is sent to any server.

Multiple Layouts

Support for ANSI and ISO keyboard layouts, Windows and Mac.

Sound Feedback

Optional sound effects for each key press.

Key History

View a log of all keys you've pressed during your testing session.

How It Works

1

Click anywhere on this page to focus, then press any key on your keyboard.

2

Keys will light up in green when pressed, showing they are working correctly.

3

Use the statistics panel to see how many keys you've tested and your N-key rollover capability.