Keyboard Tester Online

Check every key on your keyboard instantly. Our tool works with Windows, Mac, and Mechanical Keyboards to detect ghosting and broken keys.

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Press any key...
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
Alt
Menu
Ctrl
Ins
Home
PgUp
Del
End
PgDn
Num
/
*
-
7
8
9
+
4
5
6
1
2
3
Ent
0
.

How to Test Your Keyboard Online?

Testing your keyboard is easy. Whether you have a laptop, Mac, or a mechanical keyboard, follow these simple steps:

  1. Start Typing: Press any key on your physical keyboard.
  2. Check Color: If the virtual key turns Green, it is working perfectly.
  3. Find Errors: If a key stays White or turns Red, it might be broken.
  4. Test Combos: Press multiple keys at once to check for ghosting.
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Check for Keyboard Ghosting

Gamers often face "Ghosting" where keys don't register when pressed together. Our tool supports N-Key Rollover (NKRO) testing to check your keyboard's limit.

Compatible with All Devices

  • ✅ Windows PC & Laptops (Dell, HP, Lenovo)
  • ✅ Apple MacBooks (Mac Mode supported)
  • ✅ Mechanical Keyboards (Red/Blue Switches)

Frequently Asked Questions

Why is my keyboard typing wrong letters?

This is usually a software issue. Check your computer's "Region & Language" settings to match your keyboard layout.

How do I test F1-F12 keys on a laptop?

On most laptops, you must hold the Fn (Function) key while pressing F1-F12 to make them work.