Free Mouse Test — Check Mouse Buttons & Scroll Wheel Online

Test your mouse and trackpad functionality instantly. Check buttons, scroll, drag, and double-click. Also try our keyboard test, speed test, and microphone test.

Click the button below to start testing your mouse and trackpad.

How to Test Your Mouse Online

1

Click Every Button in the Test Area

Click your left, right, and middle buttons inside the test area and confirm each registers. If a button lights up reliably every single time, it is working correctly. If it registers twice on a single click or misses clicks, the switch is likely worn — a common issue after 1–2 years of heavy use.

2

Test the Scroll Wheel and Side Buttons

Scroll up and down slowly and check that each scroll step registers once. Skipping or jumping scroll steps typically means the encoder inside the wheel is failing. Test any side buttons the same way — press once and confirm a single clean registration.

3

Check Double-Click and Drag Stability

Double-click to verify the timing is consistent. Then click and drag across the test area — release and confirm the drag ends cleanly without ghost clicks. If files open when you single-click or drag-and-drop releases early, your mouse switch needs replacement or cleaning.

Common Mouse Problems & Fixes

If your mouse is not registering correctly, one of these issues is likely the cause:

Double-clicking on a single click

This is the most common mouse fault, caused by a worn micro-switch spring. It is especially common with gaming mice after 1–2 years of heavy use. The fix is either a switch replacement (for technical users) or a new mouse. Confirm it with this test by clicking slowly and watching for double registrations.

Scroll wheel skipping or jumping

A scroll wheel that skips steps or scrolls in the wrong direction has a failing optical encoder. Dust and debris are the common culprits — try compressed air in the scroll wheel gap first. If skipping persists after cleaning, the encoder wheel is mechanically worn.

Mouse button not registering

If a button shows no response in the test area but works elsewhere, the browser may be blocking the event (some browsers remap side buttons). Try a different browser. If the button fails in all browsers, the switch contact is dirty or broken — clean the contact or replace the switch.

Drag releasing unexpectedly

Intermittent drag failures (mouse releases while you are still holding the button) are caused by a worn left-click switch that cannot sustain continuous contact. This is a hardware issue. Replacing the switch or the mouse is the only reliable fix.

Latest Guides

How to Test Your Mouse Buttons Online (Step-by-Step Guide)

Learn how to test your mouse buttons, scroll wheel, and drag detection online. Diagnose double clicking, missed clicks, and other common mouse problems in your browser.

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Frequently Asked Questions

How accurate is this mouse test?
Our mouse test detects all standard mouse events including button clicks, scroll wheel, drag operations, and double-clicks. The test runs entirely in your browser using native browser APIs, providing accurate real-time feedback on your mouse and trackpad functionality.
Is my mouse data private?
Yes, all testing is done entirely client-side in your browser. We never collect, store, or transmit any mouse interaction data. Your privacy is our priority—everything happens locally on your device.
Does this work with trackpads?
Yes, the test works with both traditional mice and trackpads. Trackpad gestures like two-finger scrolling and tap-to-click are detected. Some features like middle button clicks may not be available on all trackpads, which is normal.
Which browsers are supported?
The mouse test works in all modern browsers including Chrome, Firefox, Safari, and Edge. It uses standard browser APIs that are widely supported. For the best experience, use the latest version of your browser.
Why isn't my mouse button being detected?
Check that you're clicking within the test area, ensure your mouse drivers are up to date, try a different USB port if using a wired mouse, and verify the button works in other applications. Some specialized mouse buttons may not be detected if they're not standard mouse buttons.