Blur Busters UFO Motion Tests with ghosting test, 30fps vs 60fps, 120hz vs 144hz vs 240hz, PWM test, motion blur test, judder test, benchmarks, and more.

Test your display's refresh rate capabilities with our free online tool. Higher refresh rates result in smoother motion and better responsiveness.

Free online Screen Refresh Rate Test (Hz). Instantly measure your monitor’s refresh rate and browser FPS, fix 60Hz cap issues, and verify 120Hz, 144Hz, 240Hz on desktop and mobile.

Test your monitor's refresh rate test (Hz) in seconds! Learn how to check 60Hz vs 144Hz vs 240Hz, optimize gaming performance, and fix screen tearing.

Test your monitor’s refresh rate online instantly. Measure real-time Hz, FPS, and display performance for gaming, editing, and smoother screen motion.

Accurately test your monitor refresh rate online with no downloads. Fast, free, and easy way to check your display’s true performance.

Find out your screen's refresh rate instantly! Free tool to check your display's Hz in your browser. No uploads, no tracking, 100% private and secure.

Our online Refresh Rate Test tool uses advanced browser capabilities to accurately detect and display your monitor's current refresh rate. When you start the test, it renders a rapidly moving visual pattern …

Watch for smooth motion without stuttering or tearing. The FPS counter shows your actual refresh rate. • Press SPACE or CLICK to change tests. • Press ESC to exit full screen. • Test will start in 3 seconds. …

Test your monitor's FPS and refresh rate in real-time. Measure display frequency, detect 60Hz, 120Hz, 144Hz, 240Hz monitors. Free FPS counter and Hz checker with accurate frame timing analysis. No …