Mouse Tester
Move your mouse and click in the testing area to check all mouse functions.
Click detection
Button testing
Scroll wheel testing
Scroll up and down inside this box to confirm your scroll wheel is working. Each scroll movement is counted and logged below.
A healthy scroll wheel registers smooth, consistent events in both directions. If scrolling feels jumpy or skips lines, your wheel may need cleaning or the driver may need updating.
Wireless mice can sometimes show scroll lag — if events are delayed, try moving closer to the receiver or switching to a USB connection to rule out signal interference.
Gaming mice with free-spin scroll wheels may register a burst of events in one go — that is normal behavior for high-speed scroll modes.
If no scroll events are detected at all, check that your mouse is fully connected and try a different USB port or receiver channel.
Keep scrolling — you should see the counter below update with every wheel movement in real time.
Drag and drop testing
Sensitivity testing
What Does Mouse Tester Check?
Mouse Tester is a free online tool that verifies if your mouse or trackpad is working correctly by testing all input functions. The tool uses the JavaScript mouse event API to detect clicks, movement, scrolling, and drag operations in real-time. It checks click detection across all mouse buttons including left-click, right-click, and middle-click responses. The mouse testing tool also monitors scroll wheel functionality, drag and drop capability, and cursor movement sensitivity. By displaying live feedback on your mouse performance, you can quickly identify issues like unresponsive buttons, scroll problems, or delayed cursor movement before they affect important tasks.
What Devices Does Mouse Tester Support?
Mouse Tester works with all standard computer mice including wired USB mice, wireless mice, gaming mice, and trackpads. It supports major mouse brands like Logitech, Razer, SteelSeries, Microsoft, and any standard pointing device. The mouse testing tool is compatible with Windows, Mac, and Linux computers, as well as touchpad devices on laptops. It also works with mobile devices that have touch input capabilities, allowing you to test touch responsiveness on smartphones and tablets. Any mouse or trackpad connected to your computer that your browser can detect will work with this online mouse tester.
How To Use This Tool
Using Mouse Tester is simple and requires no setup or installation. First, move your mouse into the testing area at the top to see real-time cursor position tracking displayed on screen. Click anywhere in the testing area with all mouse buttons to test left-click, right-click, and middle-click functionality. Scroll within the designated scroll area to test your scroll wheel in both directions. Try dragging the blue box to verify drag and drop works smoothly on your mouse device. Monitor the status cards to see which mouse buttons have been detected and how your mouse is performing overall.
Understanding Your Results
Good mouse test results show quick response times with no lag between physical movement and on-screen cursor position. Your click detection log should record all mouse clicks immediately without delays or missed clicks. The sensitivity testing bar helps you identify if your mouse movement speed is normal or indicates responsiveness issues. If any mouse buttons show as not detected after clicking multiple times, this indicates a hardware problem with that button. Watch for smooth scrolling without jumping, and ensure drag operations feel responsive without stuttering or freezing.
Frequently Asked Questions
Why is my mouse not being detected by the tester?
Your mouse may not be properly connected or recognized by your browser. Try reconnecting your mouse, refreshing the page, or testing with a different USB port to see if the issue persists.
Can I test my trackpad with this mouse tester?
Yes, Mouse Tester works with trackpads on laptops. Simply move your finger across the trackpad and click as you normally would to test all trackpad functionality.
What does the sensitivity testing measurement mean?
The sensitivity test measures your mouse movement speed in pixels per millisecond. Higher values indicate faster mouse movement, helping you identify if your mouse responsiveness feels normal or sluggish.
Why are some mouse buttons not being detected?
If certain buttons aren’t detected after multiple clicks, the button may be stuck, damaged, or not properly connected. Try cleaning the mouse button or testing with a different mouse to confirm.
Is this mouse testing tool safe to use?
Yes, Mouse Tester is completely safe. It runs entirely in your browser and only detects mouse input without storing any personal data or information.
Can I test a gaming mouse with this tester?
bsolutely, Mouse Tester works perfectly with gaming mice. You can test all extra buttons, side buttons, and verify that your gaming mouse responds without lag or delay.
You Might Also Like
You might also like our Gamepad Tester to test your controller, the Click Speed Test to measure how fast you can click, and the Keyboard Tester to check every key on your keyboard.