Tests
Experimental Device API Tests
Check optional WebHID, WebUSB, Web Bluetooth, Battery, and MIDI support before choosing any device.
Private by designProcessing happens locally in this browser. Device streams and raw readings are not uploaded.
What this test checks
How to use this test
Read each API explanation first, then explicitly request access only for the device type you intend to inspect.
What the results mean
Supported means the API exists in this browser; it does not guarantee a particular device is compatible.
Troubleshooting
Use HTTPS and a compatible desktop browser, then check browser policy and operating-system permissions.
Browser limitation
These APIs have limited compatibility and secure-context or permission requirements.