Instrument Tuner
Click an instrument below, then select a string to hear its reference pitch. Tune by ear — no microphone needed.
Guitar6-string
12-String Guitar6 courses / 12 strings
Bass Guitar4-string
Bass Guitar5-string
Bass Guitar6-string
UkuleleSoprano / Concert (Standard C)
Violin4 strings
Viola4 strings
Cello4 strings
Mandolin4 courses / 8 strings
Banjo5-string
Dobro / ResonatorOpen G tuning
60%
12-String Guitar
6 courses / 12 strings
12-string guitars have octave pairs — each pair is shown separately. The 1st and 2nd courses are tuned in unison (same pitch).
Click a string to play it. Click Stop or select another string to change.
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You can download reference tones as WAV files: