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.

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.

Dec 21, 2024 · Screen refresh rate test — instantly measure your monitor or phone's Hz/FPS. Free, no download. Works on PC, mobile, and tablet (60/90/120/144/240Hz).

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

Test your monitor’s refresh rate online in seconds — no downloads, no setup. Our Display Refresh Rate Test Tool accurately detects your screen’s actual refresh rate (Hz) across all devices — whether …

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

May 11, 2025 · Want to know if your monitor is really running at 60Hz, 144Hz, or even 240Hz, unsure how to test? Use our free and instant Monitor Refresh Rate Checker to find out — no software required.

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.

Measure display refresh rate (Hz) and frame pacing with a live readout and sparkline. Use Photo Mode to count bands from a long exposure. Private, in-browser.

Test your monitor's refresh rate (Hz) and frames per second (FPS) with our online tool. Check for screen tearing and motion smoothness.