Pitch Tuner

Sing into your mic and see how close you are to each note—in cents.
-50c 0 +50c
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Press start and allow the microphone.

Use a quiet room. Allow microphone access when the browser asks.

Your voice stays on this device. Cloud history needs Pro when billing is enabled.

Reference tones

Tap a key to hear a piano guide tone, then match it with your voice.