Keyboard & Mouse Tester
Hardware diagnostics

Test your input devices. Every key counts.

Choose a test and start interacting. Input data is processed only on this page and cleared when you refresh.

Test progress

Tested 0 / 104 keys
0%
UntestedPressed nowTestedRepeated
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
PrtSc
ScrLk
Pause
~`
!1
@2
#3
$4
%5
^6
&7
*8
(9
)0
_-
+=
Backspace
Tab
Q
W
E
R
T
Y
U
I
O
P
{[
}]
|\
Caps Lock
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
Insert
Home
PgUp
Delete
End
PgDn
↑
←
↓
→
Num
/
×
−
Home7
↑8
PgUp9
+
←4
5
→6
Enter
End1
↓2
PgDn3
Ins0
Del.

Swipe horizontally to view the full keyboard

Current key event

Waiting for input
Key name
—
event.key
—
event.code
—
KeyCode
—
Repeat
No

Current combination

Press multiple keys together to test a shortcut

System shortcut note: Alt + Tab, Win, Ctrl + Alt + Delete, and PrtSc may be handled by the operating system first. Browsers may be unable to capture them, prevent the system action, or receive the complete shortcut.

Live Event Log

Latest 0 / 50 events
Keyboard and mouse events will appear here

How to use

  1. 1Select a tab, then press keyboard keys or use your mouse inside the test area.
  2. 2Blue means pressed, green means tested, and orange indicates repeated input.
  3. 3Test keys one by one. Press multiple keys together to check combinations.

Privacy & FAQ

Is my input saved?

No. All detection happens locally in your browser. No keyboard or mouse data is collected, stored, or uploaded.

Why are some system shortcuts missing?

Shortcuts such as Alt + Tab, Win, and Ctrl + Alt + Delete may be intercepted by the operating system before the browser can capture them.