Audio Level Meter

Microphone input level in dBFS — tap Avvia to grant permission.

Microphone access starts only when you click Avvia. Levels are dBFS, not calibrated SPL.

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How to use

Avvia audio

Tap Riproduci or press Space. Your browser requires a gesture before audio can play.

Adjust settings

Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.

Export or share

Scarica a WAV file or copy a share link. All processing stays on your device.

Frequently asked questions

Is this a calibrated SPL meter?

No. Browser mic levels are relative (dBFS).