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Mouse Diagnostic

Mouse Diagnostic Online

Diagnose mouse issues online with click, scroll, and button tests in one place.

Interactive Mouse Tester

Click, scroll, and test all mouse buttons in the area below

Left
Middle
Right
Back
Forward
Scroll

Click Statistics

Track your button clicks and double-clicks

Left
Clicks: 0
Middle
Clicks: 0
Right
Clicks: 0
Back
Clicks: 0
Forward
Clicks: 0
Scroll Wheel
Delta: 0

Event Log

Recent mouse events (last 20)

Click or scroll to see events

How to Test

  • Click anywhere in the test area to test buttons
  • Use scroll wheel to test scrolling
  • Side buttons work in the test area
  • Watch for unintended double-clicks (shown in red)

How to run a mouse diagnostic

  1. Test clicks for left, right, and middle buttons.
  2. Scroll to confirm wheel accuracy and direction.
  3. Check side buttons and look for missed inputs.

A diagnostic helps identify hardware wear before it becomes critical.

Mouse Diagnostic FAQ

What is a mouse diagnostic?

A mouse diagnostic checks clicks, scroll wheel, and input responsiveness to identify potential hardware issues.

How do I run a mouse diagnostic online?

Use the tester to click, scroll, and test buttons while monitoring the event log for missed or duplicated inputs.