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Pitch / Hz Viewer

See the frequency and note of your sound.

Microphone is off
Audio is processed locally. No data is sent to any server.
About Pitch Viewer: Visualize sound frequency and musical notes in real-time using your microphone.
Pitch / Hz Viewer: About

Intent: Show the approximate pitch and cents from your microphone input.

What it does: Uses autocorrelation on mic input to estimate frequency and note.

Privacy: Microphone audio stays in the browser and is never uploaded.