Mouse Diagnostic

Mouse Button Tester

Test left click, right click, scroll click, and side thumb buttons on your gaming mouse online. Real-time click counter and visualizer.

Left Click (MB1)0 clicks
Middle Click (MB3)0 clicks
Right Click (MB2)0 clicks
Side Button 1 (Back)0 clicks
Side Button 2 (Forward)0 clicks

Button Switch Benchmarks

All buttons should highlight crisp green upon press. If a side button fails to register, check mouse driver remapping settings.

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Repair Guide

Step-by-step tutorial to calibrate or repair your controller.

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Game Settings

Get optimal deadzone & sensitivity settings for Apex, COD, Fortnite.

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Controller Recommendations

Compare replacement controllers with hall-effect anti-drift sticks.

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Test double-click switch faulting

Check if your mouse switch suffers from unintentional double-clicks.

Gaming Mouse Switch Types and Microswitches

Gaming mice use mechanical microswitches (Omron, Kailh GM 8.0, Huano) or optical switches (Razer Gen-3, Light Strike).

Frequently Asked Questions

How do I test mouse side buttons (Forward / Back)?

Click any mouse button — including left click, right click, scroll wheel click, and side thumb buttons — anywhere on the page. The corresponding button card will illuminate in green.

Why does right click open a context menu during testing?

Our tool automatically suppresses browser right-click context menus on this page so you can test right-click switch actuations smoothly.

Does this test gaming mouse side buttons (MB4 / MB5)?

Yes! It tests Left Click (MB1), Right Click (MB2), Scroll Click (MB3), Side Back (MB4), and Side Forward (MB5).

100% Client-Side

All Gamepad API data stays in your browser. Zero tracking or data collection.

Instant Results

No downloads, plugins, or software installation needed. Works instantly.

Free Forever

No paywalls, subscription requirements, or hidden usage limits.