Device Tests / Free troubleshooting tool
Microphone Tester
Check microphone permission and live audio input level.
Microphone Tester
Check microphone permission and live audio input level.
Requires HTTPS and your permission. Audio levels are measured locally; this website does not upload or record audio.
Not started
How to use this tool
Follow the steps above. Browser tests run locally when possible; other tasks provide practical troubleshooting guidance rather than claiming to scan your computer or network.
Important limitations
Results depend on your device, permissions, Windows version and network configuration. Back up important files before system changes and consult your device manufacturer for hardware repairs.