Free browser tool

Guitar Tuning Reference Tones

Tune by ear with accurate notes for four common guitar tunings. The tool only plays sound and never requests microphone access.

Match each string by ear

Select your tuning, play a reference tone, then adjust the matching guitar string until the pitches sound the same.

This tool plays reference tones only. It does not request microphone access or capture audio.

How to use the guitar tuning reference tones

  1. Choose the tuning you want to use.
  2. Select a string to play its reference tone.
  3. Adjust the matching guitar string until its pitch sounds the same.

The tool works in your browser and does not require an account.