Touchscreen / Multi-Touch Tester

Tracks touches (and pen/mouse) on a canvas. Shows IDs, pressure, size, tilt, and pinch/rotate metrics.

Ready

Environment

Pointer Events

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Touch Events

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Max touch points

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DPR

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Surface size

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Controls

Tip: If pinch/zoom doesn’t register, your browser may be consuming gestures. This page sets touch-action: none on the test surface to prevent that.

Active Pointers

0 active

Gesture Metrics

Pinch distance

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Pinch scale

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Rotation

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Surface

Touch with multiple fingers. Drag to draw trails. Try pinch and rotate. Pen input (if available) shows pressure/tilt.