Mouse button and scroll wheel diagnostics
Test left, right, middle, side buttons, wheel movement, horizontal scroll, browser delta values, and one-direction scroll consistency in one live panel.
Button input
Mouse click test
Left0Released
Middle0Released
Right0Released
Side0Waiting
Wheel0No input
Double clicks0No bounce
CPS0.0
Peak CPS0.0
Pointer distance0 px
Polling estimateMove inside canvas
Pointer gaps0
Last movement0 px
Wheel input
Scroll test area
Keep scrolling in one direction inside the test area. Reverse events are counted because they can point to wheel bounce, touchpad inertia, or inconsistent hand movement.
Mouse wheel, trackpad, or horizontal wheel input
Direction: none
Samples: 0
Quality: waiting
Mouse tester guide
How to run an accurate online mouse test
Use this online mouse tester to check left click, right click, middle click, scroll wheel input, and basic pointer response before you blame a game, browser, USB port, or wireless connection.
If you want the underlying technology explained first, read how ball, optical, and laser computer mice turn movement into cursor data, then come back here to test the buttons and wheel on your own device.
Testing a laptop touchpad? First confirm taps, pointer movement, and vertical or horizontal scrolling here, then use the 21-gesture laptop touchpad guide to configure Windows or Mac shortcuts that the browser cannot identify by finger count.
This page checks whether each button works. If you want to measure how fast you can click, run the mouse click test instead — it counts your clicks per second (CPS) over timed rounds. And if every button reports cleanly but your pointing still feels off, the mouse aim test scores hit percentage, average pixel error, and time per target against moving targets.
Files opening when you meant to select them — or single presses registering twice? Work through the double click test guide to tell a worn switch from a Windows double-click-speed setting.
If you are choosing a compact Bluetooth mouse for travel, compare the practical tradeoffs in the Dell MS700 vs portable Bluetooth mice guide, then run this page after pairing to confirm buttons and scroll behavior.
Testing a multi-button MMO mouse after delivery? Follow the Naga V3 Pro delivery-day test plan, then use this page to verify that every fitted side plate and primary button registers cleanly.
Mouse test FAQ
Common online mouse tester questions
