Free online tool

Test every mouse button, click interval, scroll wheel and observed movement frequency in your browser.

Private by design
mouseclicktestStart testing

Mouse scroll wheel test online for skipped or reversed scrolling

Count scroll wheel ticks and verify direction changes on a mouse scroll wheel with this simple browser tester.

Start the mouse test

Roll the scroll wheel

Count up and down wheel ticks and verify a smooth, consistent response.

Total clicks0
CPS (live)0.0
Last interval—
Movement events/s0 Hz
Current actionWaiting for input

Event log

0/10

Click, scroll or move to start logging events.

Live statistics

0.0 s
Left 0Right 0Middle 0Scroll ↑ / ↓ 0 / 0Side buttons 02× anomaly 0Peak movement events/s 0 Hz
No data yet — interact anywhere to begin

How to test a mouse wheel for skipped or reversed scrolling: roll up and down while the live panel records direction and wheel events.

01

Roll slowly in both directions and check that every tick moves the page.

02

Try a fast scroll to reveal missed, reversed or sticky wheel events.

03

Clean dust around the wheel and repeat before replacing hardware.

Understand your mouse test result

Use these ranges as a troubleshooting guide. Hardware, browser and operating system settings can change the observed values.

RangeSignalWhat it means
0–20 HzLowUseful for slow movement or a stopped cursor
20–125 HzTypicalCommon desktop mouse event range
125+ HzFastHigh polling or rapid movement