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.

Practical guide

How to test a microphone without uploading your audio

The microphone tester requests permission only when you start it, then visualizes the incoming signal inside the browser. A moving level meter and waveform confirm that audio data is reaching the page; a short local recording lets you judge clarity, channel selection and obvious distortion.

For a more reliable result

What this test cannot confirm

The page is not a calibrated sound-pressure meter and cannot certify frequency response, self-noise or studio performance. It is intended to confirm that browser audio input works and sounds reasonable.

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