Mouse Jitter Test

Draw a steady line with your mouse or trackpad and inspect path distance, straight-line efficiency, and average direction change.

0Samples

0 pxPath distance

—Straight-line efficiency

—Avg direction change

This is a browser pointer-path diagnostic, not a sensor-level mouse benchmark. OS acceleration, browser event coalescing, polling, and hand movement all affect the trace.

How to use this Mouse Jitter Test

Inspect pointer-path smoothness and small movement variation in the browser. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.