Mouse tester

Click. Scroll. Measure.

Click any button to light it up. Scroll to see delta. Double-click to measure interval. A DPI estimator asks you to move the mouse exactly one inch along the ruler.

Buttons

Left

Middle

Right

Back

Forward

Position

—

Last delta

—

Wheel ΔY

Wheel ΔX

Double-click

—

Click count

Movement / hover arena

DPI estimator

Press & hold the left button at the orange tick, drag exactly one inch to the right (use a physical ruler), then release. We measure the pixels traveled.

Estimated DPI

— (drag on ruler)

Button & scroll Double-click ms DPI estimator