Browser frame-rate estimate

Refresh Rate Test

Estimate browser frame cadence and jitter with requestAnimationFrame before choosing 30 or 60 FPS recording.

Measure browser frame cadence

Sample animation frames locally and get a practical display refresh-rate estimate.

Start the test to estimate your browser frame cadence.

nearest bucket

Diagnostics run in this browser tab using local Web APIs. No files or device data are uploaded.

No. It estimates the frame cadence observed by this browser tab, which can be affected by power settings and load.

High jitter can make screen recordings feel uneven even when the average FPS is high.

The desktop app is better for long recording sessions, repeatable capture settings, and production workflows.