Denerim Test is now on the Play Store! You can also quickly test your keyboard from your phone. Connect and check your keyboard via OTG or wireless connection. Download App

Keyboard Test


With this online keyboard test, you can instantly check whether every key on your keyboard is working properly. The keyboard test supports letters, numbers, function keys, arrow keys, special keys, and the numeric keypad.

To start the keyboard test, click the area below and press each key one by one. The keys you press will be highlighted on the screen instantly. Press-and-hold detection may be limited for the Print Screen key.

Click to start testing! All keys will be detected once the keyboard test is focused.
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
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1
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0
*
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Backspace
Tab
Q
W
E
R
T
Y
U
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O
P
Ğ
Ü
,
Caps Lock
A
S
D
F
G
H
J
K
L
Ş
İ
Enter
Shift
< >
|
Z
X
C
V
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Ö
Ç
.
Shift
Ctrl
Win
Alt
Boşluk
Alt
Win
Menu
Ctrl
PrtSc
ScrLk
Pause
Ins
Home
PgUp
Del
End
PgDn
CAPS
SCRL
NUM
Num
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Enter
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Anti-ghosting mini
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Chatter Test


This test helps you check whether any keys on your keyboard are registering unintended double presses, also known as chatter.
When you click the “Start Test” button, 20 words will appear. Type each word carefully.

🟡: Incomplete    ❌: Incorrect    ✅: Correct    Gray: Not Typed

How to Test Your Keyboard

To run a keyboard key test, simply click the test area above once. Then press each key on your keyboard one by one to see which keys are detected. Working keys will be highlighted on the keyboard simulation, while your most recent key presses will appear in the panel.

1. Activate the test area

First, click the keyboard test area. Your browser will then begin detecting keyboard input.

2. Press every key one by one

Test every section of your keyboard, including letters, numbers, Space, Enter, Shift, Ctrl, arrow keys, and the numeric keypad.

3. Identify keys that are not working

Keys that do not respond on the screen may be affected by a hardware fault, dirt, a switch problem, or a software issue.

What Does This Keyboard Test Show?

This page checks whether the key you press is detected by your browser. It allows you to quickly perform an initial check when using a keyboard key test, keyboard checker, or non-working key test.

  • Shows whether letter and number keys are working correctly.
  • Tests special keys such as Space, Enter, Backspace, Shift, Ctrl, and Alt.
  • Helps you check the arrow keys, Insert, Delete, Home, End, Page Up, and Page Down keys.
  • Allows you to test the numeric keypad on keyboards that include a numpad.
  • Makes it easier to monitor lock keys such as Caps Lock, Num Lock, and Scroll Lock.

Frequently Asked Questions

What is a keyboard key test used for?

A keyboard test is used to quickly identify keys that are not working or responding with a delay. It is especially useful for checking a newly purchased keyboard, investigating a suspected faulty key, or testing the keyboard after cleaning.

How can I tell if a keyboard key is not working?

If the key you press does not appear as active on the screen during the test, it may not be detected. This can be caused by dirt, a faulty switch, a connection problem, or a software issue.

Can Space, Enter, and Shift keys also be tested?

Yes. This keyboard test supports many special keys, including Space, Enter, Backspace, Shift, Ctrl, Alt, and the arrow keys.

Does the keyboard test work on mobile devices?

The page can be opened on mobile devices, but the most accurate results are obtained on a desktop or laptop using a physical keyboard. Limited testing may also be possible on some mobile devices connected to an external keyboard.

Why do some keys behave differently in the browser?

Some special keys may behave differently because of the browser, operating system, keyboard layout, or security restrictions. Detection may be limited for certain keys, particularly Print Screen.