Guitar Tuner

Tune your guitar with your microphone — click Start and play a string.

Click Start to begin
♭ Flat Sharp ♯
— Hz | — ¢

How to Use

  1. Click Start and allow microphone access when prompted.
  2. Play a single open string on your guitar.
  3. Watch the gauge — tune until the needle is centered and turns green.
  4. Repeat for each string: E A D G B e (thickest to thinnest).

Works best in a quiet room. Hold your guitar near the microphone for best results.