Touchscreen Test
Press the screen to see touch coordinates and how many points register at once, then drag a finger across to find any area that does not respond. Useful after a screen replacement, or when the display cuts out now and then.
🔧 Runs in the browser. Nothing to install, nothing uploaded.
Press this area with a finger
Several fingers at once is fine
0
Touching now
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Max simultaneous
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Device supports
Rub a finger carefully over the whole area. Any gap that does not get coloured in is a spot that is not receiving touch.
What this test checks
- Live touch coordinates
- Maximum simultaneous touches
- Drag trails to find dead zones
- Pressure and contact area (where supported)
Other device tests
Results depend on your browser and drivers. If something looks wrong here, try the same test in another browser before assuming the hardware is at fault.