Free Online Tool — No Installation Required
Mouse Tester & Mouse Checker — click test, scroll & buttons
Instant visual feedback for all mouse buttons. Detect double-click issues, scroll wheel problems, and side button failures.
Try It Now
Live Preview
Experience the mouse tester right here. Click buttons and scroll to see instant feedback.
Interactive Demo
Click anywhere on the mouse visualizer to test button detection
Button Status
Left
Middle
Right
Back
Forward
Event Log
Click or scroll to see events
Want detailed statistics and full diagnostics? Try the complete tester.
Open Full TesterPowerful Features
Everything You Need to Diagnose
Comprehensive mouse testing tools designed to identify hardware issues quickly and accurately.
Visual Button Map
Interactive visual display showing left, right, middle, and side button activations in real-time.
Double-Click Detection
Identify faulty switches causing unintended double-clicks—a common issue with aging mice.
Scroll Wheel Testing
Detect scroll direction errors and jumping issues with precise wheel movement tracking.
Drag & Hold Stability
Test click-and-hold reliability to ensure your mouse maintains stable input during dragging.
Fast & Lightweight
No downloads or installations required. Runs instantly in your browser with zero setup.
Privacy-First
All tests run locally in your browser. No data is collected or sent to any server.
Simple Process
How It Works
Test your mouse in three simple steps — no technical knowledge required
Open the Tester
Click the Start Test button to open the full mouse testing interface. No downloads needed.
Test Your Mouse
Click buttons, scroll the wheel, and test side buttons. Watch real-time visual feedback.
Get Results
See instant diagnostics on button presses, scroll accuracy, and detect potential issues.
Troubleshooting
Common Mouse Issues
Identify and diagnose the most frequent mouse problems with our testing tools
Double-clicking when you single-click
Symptom
Mouse registers two clicks when you only click once
Common Cause
Worn out switch mechanism, common in older or heavily used mice
Scroll wheel jumping or skipping
Symptom
Pages jump in wrong direction or skip sections while scrolling
Common Cause
Dust buildup, encoder wear, or driver issues
Side buttons not working
Symptom
Programmable side buttons don't respond
Common Cause
Driver issue, software conflict, or hardware failure
FAQ
Frequently Asked Questions
Everything you need to know about Mouse Tester
Looking for advanced tests? Jump to Sensor Test,
Polling Rate or Mouse DPI Test.
Common misspellings: mousetester, mousetest, mosue test, mouse teste, mouse tesr.
Related terms: mouse diagnostic, mouse input checker, mouse detector.
Ready to Test Your Mouse?
Join thousands of users who have diagnosed their mouse issues with our free tool. No signup, no download — just instant results.
100% free • No registration • Works on all devices