Mobile diagnostic tool

Microphone Tester

See live microphone activity, record a short sample and play it back entirely inside your browser.

Microphone is off
0%Live input level

Audio stays on this device unless you choose to save the recording.

Direct answer

How does the microphone test work?

The test requests microphone permission, displays a live input meter and waveform, and can make a short local recording for playback. Audio is processed in your browser unless you choose to download it.

✓ No installation✓ Works in compatible browsers✓ Privacy-focused testing

What to listen for

Speak at a normal distance and listen for clear volume, distortion, clipping, crackling, background noise and channel dropouts.

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