TUNER

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Press start below

Tuning A4

Guitar Tuner

We'll use your microphone to hear your guitar.
Audio never leaves your device.

Best with a quiet room. Hold the guitar near the mic.

Settings

In-tune tolerance ±5 cents

Reference tone on tap

Haptic feedback

Tap a string to hear its note and focus tuning on it. Tap AUTO to return to automatic string detection. All audio is processed locally in your browser — nothing is recorded or uploaded.