Online Tool Store
Mouse Button and Scroll Test
Click and scroll to test every mouse button and scroll wheel direction, with live counters for each. Runs entirely in your browser.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Test area
Left click
0 clicks
Right click
0 clicks
Middle click
0 clicks
Back button
0 clicks
Forward button
0 clicks
Scroll delta
+0
Click, right-click, and scroll inside the test area above — counters update live.
How it works
- Click each mouse button inside the test area.
- Scroll up, down, and sideways if your mouse supports it.
- Watch the counters update live for each input.
Testing listens for the browser's mouse and wheel events —
mousedown, contextmenu, and
wheel — and tallies each one, making it easy to spot a
button that doesn't register or a wheel that jumps unexpectedly.
FAQ
Is my activity uploaded anywhere?
No. Detection happens entirely in your browser — nothing is sent to a server.
What mouse events does it detect?
Left, right, and middle clicks, back/forward side buttons, and scroll wheel movement, both vertical and horizontal.
Why would I need this?
To check for a stuck or double-clicking button, a worn scroll wheel, or to confirm every button on a new mouse actually registers.
Does it work with a trackpad?
Yes — click and scroll gestures on a trackpad are detected the same way as a physical mouse.
How we compare
| Feature | Online Tool Store | OS mouse settings panel | Manufacturer software |
|---|---|---|---|
| No install, works on any device | ✓ | ✓ | Only works with that brand's mouse |
| Free, no sign-up | ✓ | ✓ | ✓ |
Manufacturer software only recognizes that brand's own hardware. Mouse Button and Scroll Test works with any mouse or trackpad, no install needed.