Double Click Speed
-- ms
Online Keyboard Tester
Press any key to test. Green = Working.
Esc
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
`
1
2
3
4
5
6
7
8
9
0
-
=
Back
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
PrtSc
ScrLk
Pause
Ins
Home
PgUp
Del
End
PgDn
↑
←
↓
→
Num
/
*
-
7
8
9
+
4
5
6
1
2
3
Ent
0
.
Free Online Keyboard Tester
Test any mechanical keyboard, laptop keyboard, or wireless setup instantly — no downloads required.
How to Use
- Step 1: Select Windows or macOS layout using the toggle above.
- Step 2: Click anywhere on the keyboard area to focus the page.
- Step 3: Press keys on your physical keyboard.
- Step 4: Working keys highlight in green.
Privacy
This tool runs entirely in your browser. We never collect or transmit your keystrokes. Your privacy is fully protected.
Online Mouse Tester
Test mouse buttons, scroll wheel, and double-click speed.
0
Left Click
0
Middle Click
0
Right Click
Scroll Total
0
Cursor Position
0, 0
Double-click here to test speed
Why Use a Mouse Tester?
Diagnose double-click issues, sticky buttons, or scroll problems before deciding to repair or replace your mouse.
Display Tester & Dead Pixel Check
Check for dead pixels, stuck pixels, and screen burn-in.
How to Find Dead Pixels
Click a color button to go fullscreen. Scan your screen for any dots that don't match the background color. Click anywhere to exit.
Webcam Test & Microphone Check
Verify your camera feed and microphone input levels.
Resolution: --
Microphone Level
Test My Webcam Online
Check your camera and microphone before a video call — no software or plugins needed.
Audio & Speaker Test
Test left and right speakers across various frequencies.
Now playing: --
Online Speaker Tester
Test left and right channels independently to detect stereo balance or wiring issues.
About Hardware Test Suite
Our Mission
Free, browser-based hardware diagnostics for everyone. No downloads. No registration. Works on any device.
Features
- Keyboard Testing: Full Windows and macOS layouts including Numpad.
- Mouse Testing: All buttons, scroll wheel, and double-click speed.
- Display Testing: Fullscreen solid colors for dead pixel inspection.
- Webcam & Mic: Live feed with resolution and audio level visualizer.
- Audio Testing: Frequency tests with left/right channel isolation.
- Privacy First: No data ever leaves your browser.
Privacy Policy
Data Collection
We do not collect, store, or transmit any personal data. This site runs entirely client-side and uses no tracking cookies.
Hardware Access
- Keyboard & Mouse: Input events are processed locally, never recorded or sent to a server.
- Webcam & Microphone: Media streams are shown only to you and never recorded or transmitted.