Guitar Tuner

Chromatic tuner with cents readout — microphone activates when you start.

Note
—
Frequency
—
Cents
—

How to use

Start audio

Tap Play 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

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

Frequently asked questions

Do I need microphone access?

Yes, but only when you click Start Listening.