Mouse Button Test
Test all mouse buttons, scroll wheel, and side buttons
Polling Rate Test
Hz polling rate
Click to start
CPS Test
Click Speed
0.0
Click to start
Double Click Test
Bounce
Click to test
Clicks
0
Last interval
--
DPI Test
DPI Accuracy
Draw in this area
Test mouse trajectory smoothness
Requires ruler — click to open
Why Choose MouseTester.xyz?
More than a testing tool — it's a performance health check for your peripherals.
Native Web Tech
No downloads, no driver installs. Built on the browser's native Pointer Events API to read raw hardware data directly — pure, unfiltered results.
100% Privacy Safe
We follow a local-first principle. All click data and trajectory calculations happen in your browser. Nothing is uploaded to any server.
Professional Precision
Supports polling rates up to 8000Hz with millisecond-accurate timestamps. From office mice to top-tier esports peripherals — we reveal the truth.
How to Use
Three steps to a complete mouse checkup
Polling Rate Test
Move your mouse rapidly in circles within the green test zone. After a few seconds, the system will auto-calculate and display your real-time Hz peak value.
Button Detection
Click the left, right, middle, and side buttons on your mouse. Watch the on-screen mouse diagram light up — this helps you spot dead buttons or double-click issues.
Scroll & Smoothness
Scroll the wheel to check for reverse-scroll issues; draw in the canvas to see if lines are smooth and continuous, detecting sensor jitter.
Glossary
Polling Rate
The frequency at which your mouse reports its position to the computer, measured in Hz. 1000Hz means 1000 reports per second, i.e. 1ms latency. Higher = smoother cursor.
Double Click (Switch Bounce)
A defect caused by aging micro-switches. A single physical press registers as two or more clicks, making drag-and-drop or text selection unreliable.
DPI / CPI
Dots per inch. Measures sensor sensitivity. Higher DPI means the cursor travels farther for the same physical mouse movement.
Input Lag
The time between when the mouse sends a signal and when the computer responds. Affected by polling rate, USB protocol, and OS processing speed.
FAQ
Answers to the most common questions during testing.
My mouse is rated 1000Hz — why does the test show 125Hz?
First check your mouse driver settings and confirm high-report-rate mode is enabled. Some browsers (older Chrome or power-saving mode) throttle event frequency — plug in your charger and use the latest browser version.
Are the test results accurate?
Very accurate. We listen directly to the browser's PointerEvent interface. Note that your screen refresh rate (e.g. 60Hz) may create the visual illusion of lag, but this doesn't affect the backend data precision.
The double-click test keeps turning red — what now?
Frequent red alerts mean your micro-switch likely has physical wear. If still under warranty, contact the manufacturer; otherwise try cleaning the switch with compressed air or consider a replacement.
Can I use this on mobile?
Yes, but touchscreen sample rates differ from mice and there are no left/right buttons. Some features (polling rate, button test) will behave differently — primarily touch-point testing is supported.
The Science Behind Your Mouse
Understand the core metrics behind mouse performance — read hardware specs like a pro.
Sensors & Transmission
Modern mice use optical sensors to track movement. Wired, 2.4GHz wireless, and Bluetooth each offer different signal stability. Top sensors handle 50G+ acceleration without correction.
Polling Rate
How often the mouse reports its position. 1000Hz = 1ms latency. High-end mice now support 4000–8000Hz, compressing lag to 0.125ms for a near-instantaneous feel.
Signal Processing (DSP)
The mouse's internal MCU applies debounce, line correction, and smoothing to raw sensor data. Great firmware preserves trajectory detail while removing unwanted jitter.
DPI / CPI
Dots per inch. High DPI doesn't mean higher accuracy — it means higher sensitivity. Most sensors perform best between 400–3200 DPI; extreme values are mostly marketing.
Use Cases
Esports Players
Verify polling rate and DPI before matches to eliminate hardware variables from your performance.
Designers & Creators
Test precision to ensure pixel-accurate responses in drawing and design tools.
Hardware Reviewers
Standardized test suite to quickly verify manufacturer specs and identify defective units.
Troubleshooting
Confirm double-click, drift, or other hardware issues before deciding to repair or replace.
Mouse Tips & Tricks
Regular Cleaning
Cleaning your mouse sensor and button contacts regularly extends its lifespan and maintains accuracy and response speed.
Proper Grip
Choose the right grip style (palm/claw/fingertip) for your mouse shape and hand size to reduce fatigue and improve control.
Adjust Settings
Tune DPI and sensitivity for different tasks. Use lower DPI for office work, adjust based on habit for gaming.
Right Mouse Feet
Choose mouse feet shape and material (e.g. PTFE) suited to your usage — the right glides significantly improve efficiency and comfort.
Polling Rate Reference Guide
Recommended polling rates by game type
125 Hz
8ms latency
- Games: Casual games, turn-based
- Pros: Energy efficient, good compatibility
- Cons: Cursor jitter at high speeds
• Rec: Office & casual gamers
500 Hz
2ms latency
- Games: Most game types: MOBA, RPG
- Pros: Low latency, moderate CPU usage
- Cons: May fall short for high-fps games
• Rec: Mid to heavy gamers
1000 Hz
1ms latency
- Games: FPS, competitive games
- Pros: Ultra-low latency, smoothest tracking
- Cons: Higher CPU usage, more power draw
• Rec: Competitive & high-end players
4000–8000 Hz
0.125–0.25ms latency
- Games: Pro esports
- Pros: Microsecond-level lag, perfect tracking
- Cons: High CPU, requires high-refresh display
• Rec: Top esports athletes
Recommended by game type
Mouse Troubleshooting Guide
Experiencing mouse issues? Use this guide for self-diagnosis:
Double-Click Problem
Symptom: Single click registers as double click, items drop during drag
Solutions:
- 1. Use our click test to measure double-click intervals
- 2. Try cleaning the micro-switch (requires disassembly)
- 3. Adjust system double-click speed setting
- 4. Switch failure may require mouse replacement or repair
Cursor Drift / Jitter
Symptom: Cursor moves on its own or jitters when stationary
Solutions:
- 1. Use our smoothness test to check stability
- 2. Clean the sensor lens and mouse pad
- 3. Change surface (avoid reflective or transparent surfaces)
- 4. Disable mouse acceleration and enhance pointer precision
Why Test Your Mouse?
Your mouse is one of the most important peripherals connected to your computer, whether you use it for competitive gaming, graphic design, software development, or everyday office work. According to hardware industry data, the average user clicks their mouse over 10,000 times per day, and competitive gamers can exceed 30,000 clicks during a single gaming session. A malfunctioning or under-performing mouse can seriously impact your productivity and enjoyment. Issues like unintended double clicks, inaccurate DPI, low polling rates, or unresponsive buttons often go unnoticed until they cause real problems — a missed headshot in a fast-paced FPS, a selection error in Photoshop, or an accidental file rename in your operating system.
Testing your mouse regularly helps you catch hardware degradation early, verify that a new mouse meets its advertised specifications, and fine-tune your settings for the best possible experience. For example, mice with 1000Hz polling rates report position updates every 1ms compared to 8ms at 125Hz — an 8x improvement in responsiveness. Professional esports players typically maintain 6–8 CPS in competitive Minecraft PvP, and top performers exceed 14 CPS using advanced techniques. MouseTester.xyz provides a comprehensive suite of browser-based tools that let you diagnose every aspect of mouse performance without installing any software.
How It Works
Every test on MouseTester.xyz runs entirely in your browser using standard Web APIs — no plugins, downloads, or special permissions required. We capture mouse events through the JavaScript Pointer Events and Mouse Events APIs, which provide high-resolution timestamps (accurate to 5 microseconds via performance.now()), button identifiers, and movement deltas. Because the tests run client-side, your input data never leaves your machine, ensuring complete privacy.
Who Needs Mouse Testing?
Whether you just unboxed a brand-new gaming mouse or you are troubleshooting a five-year-old office workhorse, MouseTester.xyz gives you the data you need — completely free, instantly accessible, and compatible with Windows, macOS, Linux, and ChromeOS. Our tools have been used by thousands of gamers and professionals to diagnose and benchmark their peripherals.