Free · no signup · browser-local
Display Frame Rate Test
Estimate browser animation frequency from frame timestamps.
Sample browser frame timing for five seconds. Keep the tab visible and avoid other heavy work.
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Getting started
Start a five-second sample while this tab stays visible.
Before you use the result
Browser animation frequency can differ from the monitor hardware refresh rate.
Frequently asked questions
Estimate browser animation frequency from frame timestamps.
How do I use Display Frame Rate Test?
Start a five-second sample while this tab stays visible.
Does this tool upload my data?
Inputs and files are processed in your browser. Page-view analytics do not contain your tool input.
What should I check before using the result?
Browser animation frequency can differ from the monitor hardware refresh rate.