Polling rate
Browser movement events
Move your mouse here to beginOr focus & press Enter
Browser event estimate, not USB HzAuto-start
Mouse buttons & wheel
Live button, movement and scroll detection
↑ SCROLL WHEEL ↓
Start the test, then use your mouse here.
Keep your mouse inside this area while testing.Live observations
- Button presses
- 0
- Movement events
- 0
- Wheel events
- 0
Back/forward buttons may be intercepted by the browser or operating system. An unobserved button is not proof of a broken switch. Button names follow browser mappings and may differ if you remap controls.
What your result means
No relevant input captured yet.
This quick check shows what reaches the browser. It cannot measure sensor accuracy, end-to-end latency or overall hardware health.
10s
Double-click detector
Instant browser feedback
Double-click hereClick twice quickly to check detection.Double-clicks detected: 0Left clicks: 0
One press registers twice? Test unwanted clicks ↗
Very rapid pairs: 0 (<80 ms)
Click speed
5-second CPS challenge
0Click to start
For fun · not a hardware test
Movement trail
See your pointer path
Move your mouse here
Recent path only · no sensor score
CHECKMYMOUSE / TOOLKIT
Test your mouse. See what registers.
Check buttons, movement and scrolling in one place. Real browser observations, with no installation needed.
A trackpad can produce similar browser events. This site cannot identify your device or certify hardware condition.
01 / How to test
Start, then move, click and scroll inside the area.
- Start the test and move your mouse inside the testing area.
- Press and release each button, then scroll in both directions.
- Stop to review your observations. Open a focused test for a closer look.
02 / If something seems off
If something seems off
- If an action does not register, repeat it inside the testing area.
- Check the cable or receiver, battery and device settings.
- Compare in another browser or computer before deciding the mouse is faulty.
A free mouse test for buttons, movement and scrolling
This mouse tester shows what your browser actually receives from your mouse: which buttons register, whether the pointer moves smoothly and whether the scroll wheel reports clean steps. Move the pointer into the test area, then click, scroll and move the way you normally would. There is nothing to install, no account to create and no test data leaves your browser.
Use it to check a new mouse, to confirm that a cleaned or repaired one still works, or to find out whether a problem lives in the mouse or in the software around it. When something looks wrong, the focused tests go deeper on one job at a time.
✓Free to use↗Live browser feedback◇No download needed
01
Get a useful result in three passes
Follow the same routine each time for a fair comparison.
- 01
Check the buttons you actually have
Press left, right and the wheel, then try side buttons only if your mouse has them. An absent button is not a fault.
- 02
Move, pause, then scroll
Trace slow circles inside the test area, pause, and roll the wheel in both directions. Separate actions make missed events easier to spot.
- 03
Repeat the suspicious action
Repeat a strange result slowly, then at normal speed. Compare in a second browser before blaming the hardware.
02
What each reading tells you
- 01Buttons
- Left, right, middle and side buttons light up when the browser receives a press. A button that never lights up may be worn, remapped by the mouse software, or reserved by the browser: side buttons often trigger back and forward.
- 02Movement
- The pointer trail and movement counter show whether motion arrives continuously. Gaps and sudden jumps can come from a dirty sensor, an unsuitable surface, wireless interference or a busy computer.
- 03Scroll wheel
- Each wheel step is counted with its direction. Steps that flip direction while you keep rolling one way are worth repeating before you blame the wheel.
- 04Repeated clicks
- If one deliberate click shows up as two, run the double-click test with slow, separate presses to see how often it happens.
03
Read the symptom before replacing the mouse
Use these patterns as clues, not automatic hardware verdicts.
One button never lights up
The browser may not receive that button, or mouse software may remap it.
Movement pauses or jumps
The sensor surface, wireless link, USB connection or computer load may be involved.
One press appears twice
The click path may produce an extra event; the general test cannot identify the cause alone.
04
If something does not register
- Try another USB port, or move a wireless receiver closer and away from other transmitters.
- Check the battery or charge level of a wireless mouse.
- Close apps with their own mouse drivers or macros: they can remap buttons before the browser sees the click.
- Clean the sensor window and use a plain, non-reflective surface.
- Repeat in another browser or on another computer to separate a mouse problem from a system one.
05
Mouse test questions
01How do I test if my mouse is working?
Start the test, move the pointer inside the test area, press every button and scroll up and down. Each action should appear in the live readout. If something is missing, repeat it slowly, then work through the checks above.
02Can I test a laptop trackpad here?
A trackpad produces pointer events that look much the same, so the page cannot tell it apart from a mouse. For a meaningful result, connect and use the physical mouse you want to check.
03Does the test upload my data?
No. The readings are calculated in your browser and are not sent to a server or stored in cookies. Reloading the page clears them.
04Why do my side buttons not show up?
Browsers treat side buttons as back and forward navigation, and many mice send them to driver software instead. If they never register here, check the button assignments in your mouse software before assuming a fault.
Understand your observations
No installation. No account. Mouse observations stay in memory on this page and clear on reset or reload.