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Guitar and Piano Tuner

Microphone audio is analyzed locally and is not recorded or uploaded.

— Hz
Play a clear note

About this tool

Estimate musical pitch from your microphone for tuning instruments.

Privacy

Input is processed locally in your browser unless the interface explicitly explains otherwise.

Frequently asked questions

Why does the tuner need microphone access?

It analyzes incoming sound locally to estimate pitch. Audio is not recorded or uploaded.

Which instruments work?

Any clear sustained note can work, including guitar, piano, bass, ukulele, strings, and voice.

How can accuracy improve?

Tune in a quiet room, play one note at a time, and place the microphone near the instrument.

You can change these choices at any time.