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Multi-Touch Test

Place several fingers on the test area and move them. Watch the live and maximum contact counts.

Test area

Results

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How to use this tool

Place several fingers on the test area and move them. Watch the live and maximum contact counts.

Method and units

PointerEvent.pointerId · max |contacts| · pointerup / pointercancel

What this test can and cannot tell you

Only contacts received here are visible. Unvisited cells do not prove a defect.

Results reflect events and signals available to your browser. Settings, permissions and device support can affect them; they do not certify that hardware is healthy or faulty.

Input tests run in your browser. Camera and microphone access starts only after you request it.

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