Touchscreen Test
TouchFree online touchscreen test — a touchscreen tester for multi-touch and dead zones on phone, tablet or laptop.
Everything runs in your browser. Nothing is uploaded.How to use the Touchscreen Test online
- 01 Drag a finger slowly across every part of the screen — the trail reveals dead zones.
- 02 Turn on the grid overlay to see which cells you've covered.
- 03 Touch with two to five fingers at once to test multi-touch.
- 04 Watch the max-simultaneous count and pressure (where supported).
- 05 Clear and repeat any area that didn't paint.
Common problems & fixes
- Touch not registeringDevice Manager → Human Interface Devices, enable the touchscreen; reinstall its driver if missing.
- Ghost touchesOften moisture or a screen protector — clean and dry the screen, then re-test.
- No touchscreenMacs don't have touchscreens — use this on an iPad or a Windows touch device.
- Multi-touch missingConfirm the panel reports as a multitouch device (libinput list-devices) and the driver supports it.
Related checks
While you are here, you can also rule out stuck keys on a laptop deck, flood the panel with solid colours, or inspect viewport size and device pixel ratio.
Working through the whole category? Browse all input tests in one place.
Frequently asked questions
Open this free online touch screen test in a touch browser — phone, tablet, or laptop — and drag multiple fingers; dead zones stay unmarked.
Try multi-touch on this page. If touches never register, check OS touch drivers and tablet mode. Full walkthrough: touchscreen not working.
An area of the screen that does not register touch. Paint the full surface — gaps that never fill are dead zones.
Most browsers and panels do not expose pressure via the Pointer Events API. Multi-touch and position still work.
No. Touch points are processed locally in your browser.