Monitor Refresh Rate Test (Hz Checker)

Welcome to the KeyMouseHub Refresh Rate Tool. This utility instantly detects the maximum frame rate (FPS) your browser can render on your current display. It works by syncing with your monitor's V-Sync using high-precision web APIs.

⚠️ Why is my screen showing 60Hz?

This is the most common issue for gamers. If you bought a 144Hz, 165Hz, or 240Hz monitor but this tool shows "60 Hz", it means your computer is not configured correctly. Check these 3 things:

Windows Settings: Right-click your desktop > Display Settings > Advanced Display. Change the "Refresh Rate" from 60Hz to your monitor's maximum.
The Cable: Old HDMI cables cap at 60Hz. Use a DisplayPort cable for best performance.
Browser Limit: If you are on a laptop unplugged from power, browsers often lock FPS to 60 to save battery.

🚀 OPTIMIZE YOUR FULL GAMING SETUP

High Refresh Rate is just one piece of the puzzle. To minimize lag and stuttering, you need to ensure your peripherals match your monitor's speed:

Is your mouse fast enough? Check if your sensor can keep up with your screen using our Mouse Polling Rate Test.
Is your resolution killing your FPS? Higher resolutions lower your frame rate. Verify your current pixel count with our Screen Resolution Detector.
Are your keys jamming? Don't let "ghosting" ruin your combo. Test your n-key rollover with the Online Keyboard Tester.

Why Refresh Rate Matters

60Hz vs 144Hz: A 60Hz screen updates the image 60 times per second (every 16.6ms). A 144Hz screen updates every 6.9ms. This reduction in latency allows you to see enemies faster in competitive games like CS2, Valorant, and Apex Legends.

Using this tool along with our Screen Resolution Checker ensures you are getting exactly the performance you paid for.