Guitar Tuner

How to use:

  1. Click the Start Tuner button and allow microphone access.
  2. Pluck one guitar string at a time (E, A, D, G, B, or E).
  3. Check the Detected Pitch and Nearest String readouts.
  4. If the tuning is good (±5 cents), you should see green text and hear a short beep every couple of seconds.
No string detected yet
Not started
Cents off (–50 to +50)