Refresh Rate Test
Test your monitor refresh behavior online with a fast browser-based tool.
You will see estimated Hz, average FPS, frame timing, and stability based on rendering samples.
Check Your Screen Refresh Rate
Run at least 5 seconds for an estimate. For phones, 8-20 seconds is recommended.
Detected refresh rate
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Average FPS
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Average frame time
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Sample count
0
Stability
No sample yet
Common Refresh Rate Problems
- OS refresh rate still set to 60Hz.
- Cable/port does not support target mode.
- Power saver or throttling is active.
FAQ
What is refresh rate?
Refresh rate is how many times per second your display updates the image, measured in Hz.
Why does refresh rate look lower than expected?
Browser throttling, mirrored displays, battery saver, and incorrect OS/cable settings can reduce effective output.
Can I trust this result?
Use it as a practical browser estimate, not as a hardware certification measurement.