Media Devices Check
Review camera and microphone visibility as browser fingerprint signals.
Run this tool
Input or start condition: Review the collection scope and press the start control. No active collection starts before that action.
Accepted input or signal: Current browser capability, Browser permission after an explicit action.
Possible output: Camera and microphone API availability, permission state, and device counts after you start the check.; Device labels only when the browser has already granted the relevant permission.
Key limitation: Browsers often hide labels before permission and operating-system privacy settings can block device access.
What this checks
- Camera and microphone API availability, permission state, and device counts after you start the check.
- Device labels only when the browser has already granted the relevant permission.
How to interpret results
- Permission required, blocked, unsupported, and zero devices are distinct outcomes and do not imply the same cause.
Common issues
- Browsers often hide labels before permission and operating-system privacy settings can block device access.
Privacy note
Enumeration starts only after a click. The page does not start a media stream or send device details to analytics.