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.

Instantly detect your monitor's refresh rate with our free online Hz test. Find out if your display runs at 60Hz, 144Hz, 240Hz or higher.

Free browser-based refresh rate test. Verify your monitor is running at true 144Hz, 240Hz, or 360Hz. 40-60% of users stuck at 60Hz without realizing it.

Instantly test your monitor's refresh rate (Hz). Check if your screen is running at 60Hz, 120Hz, 144Hz, or 240Hz. Free, accurate, and privacy-focused FPS tester.

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.

Check your monitor's true refresh rate (Hz) instantly. Test motion blur, dropped frames, and VA panel black smearing with our visualizer.

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

Test your monitor's actual refresh rate in real-time. Instantly detect if your display runs at 60Hz, 120Hz, 144Hz, or 240Hz with frame timing.

Detect your monitor refresh rate (60Hz, 144Hz, 240Hz), screen resolution, aspect ratio, and DPI scaling. Get gaming optimization recommendations.