Tuner
Tune a guitar, bass, ukulele, violin or any instrument with your microphone: the note you play, how many cents off, and the string to tune
Hz
Between 400 and 480 Hz.
What the microphone hears is analyzed in your browser, never recorded or sent.
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Press Start tuning, then play a string
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Heard (Hz)
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Target (Hz)
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Off by (cents)
Strings
On Auto, the tuner picks the string nearest to what it hears. Pick one to tune it from far off, or to hear its note.