TuneUniversal

TuneUniversal

Online 7-string guitar tuner

Tune 7-string guitar online with your microphone. Reference notes: Si - Mi - La - Re - Sol - Si - Mi.

Digital tuner
Lock selected stringRecommended: choose a string and the tuner stays on that target.

Reference tone

Si1 / 61.74 Hz

All-string check

Strum all open strings once to see which strings are out of tune.

FlatIn tuneSharp

Detected note

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Frequency--
Cents--
TargetSi1

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7-string guitar Standard B Strings: Si - Mi - La - Re - Sol - Si - Mi

+/-5 cents = In tune

Move the instrument closer to the microphone.

Play one open string and let it ring.

Use Manual mode in noisy rooms.

How it works

  1. Select 7-string guitar in the tuner.
  2. Allow microphone access.
  3. Play one string or note at a time.
  4. Tune until the indicator is centered.

FAQ

Does the 7-string guitar tuner work on mobile?

Yes. Open TuneUniversal in your browser and allow microphone access.

Which reference notes are included?

This tuner page uses these reference notes: Si - Mi - La - Re - Sol - Si - Mi.