ColorScreen
0 FPS

Refresh Rate Test

This test helps you verify your monitor's refresh rate and detect motion blur or ghosting issues.

• UFO Test: Watch the green blocks move. Smoother = higher refresh rate

• Response Time: Flickering checkerboard tests pixel transitions

• Persistence: Moving line shows ghosting/trailing

• FPS Counter: Shows your actual frame rate

Tips:

• Ensure your monitor is set to its highest refresh rate in display settings
• Disable V-Sync in browser for accurate results
• Full screen mode works best

Speed: 5x • Click to dismiss help
Full Screen Background Page

Refresh Rate Test

Download Refresh Rate Test Wallpaper (4K/1080p Monitor Background)

Settings

Core Online Display Utility Modes

Refresh Rate Verification

Confirm actual Hz output

Gaming Monitor Test

Verify high refresh rates

Motion Clarity Check

Test for ghosting and blur

Display Diagnostics

Professional Hz validation

Display Calibration & Professional Monitor Test Insights

Professional-grade color accuracy starts with a pure bright white screen for light. Whether you are calibrating sRGB/DCI-P3 color gamuts or performing a full monitor test for backlight uniformity, our tool provides a 100% clean online canvas to identify display clouding, tinting, or screen burn-in issues.

For remote workers, a bright white screen lighting tool serves as an excellent budget-friendly bias light softbox. It fills in shadows during Zoom, Teams, or Google Meet video calls, improving your webcam's white balance without an external ring light device.

Refresh Rate Test - Full Screen Background Page