Mouse feels broken
Start with the home page button test, then double-click and hold and drag. Those three find almost every hardware fault.
Mouse Testing Tools
These mouse testing tools run in your browser with nothing to install. Start with the live tests to check hardware, then use the calculators to tune your sensitivity.
- Live testMouse TestButtons, wheel, polling, double-click, CPS and smoothness in one dashboard.
- Live testCPS TestClicks per second with a timer ring and per-second chart.
- Live testRight Click CPS TestThe same test for the right button, with the context menu blocked.
- Live testDouble Click TestDetect phantom clicks with an adjustable threshold and verdict.
- Live testHold & Drag TestCatch switches that release during long presses and drags.
- Live testPolling Rate TestLive Hz gauge, stability graph and standard-rate detection up to 8000 Hz.
- Live testClick Latency TestFive-round reaction test for your reflexes plus input delay.
- Live testScroll TestCount notches, read direction and catch reversed or skipped scrolls.
- Live testDPI TestMeasure real DPI by moving the mouse a known distance.
- Live testPrecision Aim TestTwenty targets, hit rate, pixel deviation and time per target.
- Live testMouse Jitter TestHold still for 10 seconds and count stray sensor reports.
- Live testMax Tracking Speed TestSwipe hard and find the speed where the sensor spins out.
- Live testMouse Acceleration TestSlow run vs fast run: is acceleration really off?
- Live testAcceleration Curve VisualizerFive speeds plotted against travel ratio.
- Live testAngle Snapping TestDraw diagonals and see if the mouse straightens them.
- Live testButton Hold Time TestPress-to-release consistency over 20 clicks.
- Live testFlick TestAlternating targets reveal overshoot or undershoot.
- Live testMouse Tracking TestFollow a moving dot for 20 seconds and score it.
- Live testPolling Rate Stability TestHistogram of report intervals with jitter and tolerance.
- Live testTilt Wheel TestHorizontal scroll and tilt switch check in four directions.
- Live testScroll Inertia TestFlick once and measure momentum duration.
- Live testScroll Direction CheckerNatural or standard scrolling, detected instantly.
- Live testConnection Comparison TestWired vs dongle vs Bluetooth polling side by side.
- Live testTrackpad Scroll Smoothness TestTwo-finger scroll deltas, variation and jumps.
- Live testTrackpad Tap Accuracy TestFifteen large targets tuned for finger control.
- Live testTrackpad vs Mouse TestThree-phase bench on each device, compared.
- CalculatorSensitivity ConverterConvert sensitivity between nine shooters using exact yaw values.
- CalculatoreDPI CalculatorEffective DPI, cm per 360 and a pro-range meter.
- CalculatorPSA Method CalculatorFind your ideal sensitivity in seven A/B rounds.
- GuideMac Mouse Settings GuideTen-minute macOS setup checklist linked to the tests.
Which tool should you run first?
Game feels laggy
Run the polling rate test, then the click latency test. Low Hz or unstable readings explain most lag complaints.
Switching games
Use the sensitivity converter to keep your cm/360, then the eDPI calculator to compare with pros.
Aim feels off
Run the precision aim test to get a baseline, then the PSA calculator to tune sensitivity, then retest.
Questions about the tool collection
Do any of these tools need a download?
No. Everything runs in the browser using standard pointer and wheel events.
Is any data stored?
Only your light or dark theme preference, in your own browser. Test results stay on the page and are gone when you close it.
Do the tests work on mobile?
The click, tap and aim tests work with touch. Button, wheel and polling tests need a physical mouse.
Can I request a tool?
Yes. Use the contact page; dead-pixel and keyboard ghosting checks are already on the list.