Touch Screen Test
Test your touch screen for dead zones and multi-touch support by drawing on it.
0 touch points active · max at once: 0 ·
Draw with one or more fingers. Grid areas turn green when touched; any area that stays gray when you swipe over it may be a dead zone.
Continue your work
- Screen Test — Test the display colors.
- Mouse Test — Test a mouse instead.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Touch Screen Test
Test your touch screen for dead zones and multi-touch support by drawing on it.
- 1 Open full screen for the best test.
- 2 Swipe across every part of the grid with one finger.
- 3 Place several fingers at once to check how many touch points are detected.
Example and practical tips
If one strip of the grid never turns green however many times you swipe it, that part of the digitizer is not responding.
Frequently asked questions
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.
Report an issue
Something broken or not quite right? Tell us and we will look into it.