Mouse Tester - Test Your Mouse Instantly
Click, scroll, and drag in the bench to measure live CPS, polling rate, button mapping, and switch health — including double-click faults and debounce.
Click frequency
Last 8 secondsEvent log
Simple Mouse Testing
Everything you need to confirm your mouse works correctly, in one clean page.
Test Mouse Buttons
Check left, right, middle, and side buttons with instant visual confirmation.
Check Click Response
Spot missed clicks, double-click issues, and inconsistent switches fast.
Test Scroll Wheel
Verify scroll up, scroll down, and middle-click behavior in real time.
No Installation
Open the page and start testing. Nothing to download or configure.
Mouse Testing Features
A focused mouse tester that covers the inputs you use every day.
Left Click Test
Confirm primary clicks register cleanly with live counter and status.
Right Click Test
Check context-menu clicks and secondary button reliability.
Middle Click Test
Test wheel press for tabs, links, and app shortcuts.
Mouse Button Test
Verify side buttons 4 and 5 often used for back, forward, and macros.
Scroll Wheel Test
Track scroll ticks up and down to catch skips or jumps.
Double Click Test
Measure double-click speed and consistency for work and gaming.
How It Works
Three quick steps to check your mouse health.
Open Mouse Testr
Visit the tester in any modern browser on desktop or laptop.
Click And Move
Press buttons and scroll. Each input lights up instantly.
Check Your Mouse
Review counts and status to spot faulty switches or lag.
Check Your Mouse
A clear visual tester shows every press as it happens, so you can trust the result.
- Live highlight for each button press
- Separate counters for clicks and scrolls
- Status pills for active and idle states
- Clean layout that works on any screen
Who Can Use It
Built for anyone who relies on a precise, responsive mouse.
Gamers
Confirm every click registers before ranked matches and tournaments.
PC Users
Quickly check a new mouse or fix an old one that feels off.
Developers
Verify click events and side buttons while testing web apps.
IT Technicians
Diagnose faulty peripherals for clients without extra software.
Why Mouse Testr
A lightweight tool that stays fast, simple, and dependable.
Free To Use
All core tests are free with no account or limits.
Browser Based
Runs on Chrome, Edge, Firefox, and Safari.
No Installation
No downloads, drivers, or admin access needed.
Quick Testing
Get results in under a minute with live feedback.
Easy To Use
Clear labels and large test areas for all skill levels.
Useful For Troubleshooting
Isolate hardware faults from software settings.
What Users Say
Real feedback from gamers, technicians, and everyday PC users.
Found my left click was missing every 10th press. Replaced the switch and it is perfect now.
Daniel K.
GamerChecked a new office mouse in 30 seconds. Simple layout, no install needed.
Sarah M.
PC UserUseful for verifying button events when testing UI. Side buttons show up clearly.
Alex R.
DeveloperI use this for client repairs. Fast way to prove a mouse is faulty.
James T.
IT TechnicianFound my left click was missing every 10th press. Replaced the switch and it is perfect now.
Daniel K.
GamerChecked a new office mouse in 30 seconds. Simple layout, no install needed.
Sarah M.
PC UserUseful for verifying button events when testing UI. Side buttons show up clearly.
Alex R.
DeveloperI use this for client repairs. Fast way to prove a mouse is faulty.
James T.
IT TechnicianScroll test caught my wheel skipping. Cleaning it fixed the jumps.
Priya S.
PC UserDouble-click test helped me tune settings for FPS games. Very accurate.
Marcus L.
GamerBookmark this on our bench PCs. Saves time on every peripheral check.
Tom H.
IT TechnicianClean and fast. Middle click and side buttons all detected correctly.
Elena V.
DeveloperScroll test caught my wheel skipping. Cleaning it fixed the jumps.
Priya S.
PC UserDouble-click test helped me tune settings for FPS games. Very accurate.
Marcus L.
GamerBookmark this on our bench PCs. Saves time on every peripheral check.
Tom H.
IT TechnicianClean and fast. Middle click and side buttons all detected correctly.
Elena V.
DeveloperMouse Testing Tips, Guides & Resources
Helpful guides, testing tips, and resources for checking mouse buttons, clicks, movement, scrolling, and overall mouse performance.
How to Change Mouse Polling Rate: Complete Step-by-Step Guide
Your mouse feels slow or slightly delayed during fast games, and small movements do not register the way...
Read More →
How to Find Mouse Refresh Rate in Hz
Your mouse feels different on every computer, and the refresh rate is often the reason. Many people search...
Read More →
How to Disable the Middle Mouse Button
Accidentally opening links or triggering autoscroll with a slight press on the scroll wheel can get frustrating fast,...
Read More →Frequently Asked Questions
Quick answers about testing your mouse with Mouse Testr.
A mouse tester is an online tool that shows your clicks, scrolls, and button presses live so you can confirm they all work.
You can test left, right, and middle clicks, side buttons, double clicks, and scroll wheel movement.
Yes. Press either button and the tester highlights it with a click counter for each side.
Yes. Scroll up and down to see tick counts, plus press the wheel to test middle click.
Yes. Most mice with 5 buttons are supported, including side buttons 4 and 5 used for navigation.
No. Mouse Testr runs fully in your browser. Just open the page and start clicking.
Yes. It is great for checking response, double-click faults, and side-button macros on gaming mice.
Yes, it is completely free with no signup. You can test as often as you need.
Test Your Mouse
Run a free 30-second check for clicks, scroll, and buttons.
Free forever • No install • No signup