Test your touch screen for dead zones and multi-touch support by drawing on it. Touched areas light up and the number of fingers is counted.
About this tool
Test your touch screen for dead zones and multi-touch support by drawing on it.
How to use Touch Screen Test
- Open full screen for the best test.
- Swipe across every part of the grid with one finger.
- Place several fingers at once to check how many touch points are detected.
Worked example
If one strip of the grid never turns green however many times you swipe it, that part of the digitizer is not responding.
How many touch points should my device support?
Most phones and tablets support 5 or 10. The page shows how many your device reports.
Can I test with a mouse?
Yes, drawing works with a mouse, but multi-touch needs a touch screen.
- Touch Screen Test — Test your touch screen for dead zones and multi-touch support by drawing on it.
Explore Device & Browser Tests · More practical guides