Tuulo

Guitar tuner

Tune up without buying a tuner or installing apps.

Everything happens in your browser: your files are never uploaded to a server.

Use a quiet place and pluck one string at a time.

How to use it

  1. Press start and allow the microphone.
  2. Pluck an open string.
  3. Turn the peg until the needle is centred.

FAQ

Which tuning does it use?

Standard: guitar E A D G B E, bass E A D G and ukulele G C E A. Chromatic mode detects any note.

Is my sound recorded?

No: it is analysed in real time in your browser and never stored.

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