Multi-Touch Test
Track simultaneous touch points with colored markers, pointer IDs and maximum detected touches.
How to use this test
Place several fingers on the active area at the same time and move them around. The page shows each active pointer ID and remembers the maximum simultaneous touch count reached.
How the measurement works
Touch PointerEvents are stored by pointerId from pointerdown through pointermove, pointerup and pointercancel, so each active finger can be tracked independently.
How to interpret results
Maximum detected touches reflects what the browser receives in that session. Hardware, operating system and drivers can cap simultaneous touch points below marketing specifications.
Troubleshooting tips
Try a slower placement of fingers, keep them separated and retest in another browser. Mouse and pen pointers are intentionally excluded from the touch count.
Related tests
You can also browse every utility from the complete tool index.
Common multi-touch questions
How many simultaneous touches should my screen support?
The supported count depends on the touchscreen hardware and operating system. The browser test reports the maximum simultaneous touch pointers it actually receives during your session.
Read full answer →Why does multi-touch work with two fingers but not more?
The digitizer may have a hardware limit, the operating system or browser may expose fewer pointers, or gestures can interfere. Test with clean fingers and keep them separated on the active surface.
Read full answer →Does the multi-touch test count a stylus?
No. The tool counts touch pointer types so pen and mouse input do not inflate the finger-touch result.
Read full answer →What does Maximum Detected mean?
It is the largest number of simultaneous touch pointers the browser received during this session, not necessarily the manufacturer's theoretical maximum.
Read full answer →