About MouseTester.xyz

Our Mission

MouseTester.xyz exists to provide free, accurate, and privacy-first online mouse testing tools for gamers, peripheral enthusiasts, and anyone who wants to get the most out of their mouse. Whether you are troubleshooting a hardware issue or fine-tuning your setup for competitive play, our tools give you the data you need — instantly and at no cost.

What We Offer

We offer a suite of five specialized testing tools, each designed to measure a different aspect of mouse performance:

• Mouse Button Test — Verify that every button on your mouse registers correctly, including side buttons and scroll wheel inputs.
• CPS Test — Measure your clicks per second across multiple time intervals and track your personal best scores.
• Double Click Test — Detect double-click issues caused by switch bounce or failing switches, and measure the interval between successive clicks.
• Polling Rate Test — Check the actual USB polling rate of your mouse and see how closely it matches the advertised specification.
• DPI Test — Verify your mouse's DPI accuracy by comparing expected movement distance against actual cursor travel.

Technology

All of our tests run directly in your browser using native web APIs. We leverage the Pointer Events API for precise input capture and the Performance API for high-resolution timing measurements. There is nothing to download, no plugins to install, and no software to configure. Just open a test and start clicking.

Privacy First

All tests run entirely in your browser. No mouse data, test results, or personal information is ever uploaded to any server. Your test history and preferences are stored in your browser's localStorage and never leave your device.

Open Standards

MouseTester.xyz is built with modern web standards to ensure cross-browser compatibility. Our tools work in Chrome, Firefox, Edge, Safari, and other Chromium-based browsers — on both desktop and laptop systems.