123 Guitar Tuner Instructions

1. Click a Note on the guitar tuner above. Make sure your computer speakers are on.
2. Play a Note on your guitar. Hear the difference between your guitar's sound and that coming from our guitar tuner
3. Adjust your guitar string accordingly. You can wait to hear our guitar tuner repeat the sound, or click on any other note to test out a different string!

Guitar Tuner

Want to tune your guitar, but don't want to spend $20 down at the music store? Are you about to play a gig, and just forget your guitar tuner back home? Don't worry man...we got your back.

123Guitar Tuner.com is your #1 place to go whenever your instrument needs tuning. Our sound effects are beautiful and accurate, and our interface is simple to use and second to none.

Best of all--this app is free. So, don't go wasting your money down at the local music shop. Just use your ears. It's as easy as 1, 2, 3!

Guitar Tuner Navigation

Open G Tuning

DADGAD Tuning

Standard Tuning

Drop D Tuning

Open D Tuning

Low C Tuning

Open C Tuning

Drop B Tuning

Open E Tuning

Guitar Collection

Tuner Developer John

CEO Fredrik Kaupang

Musician Ben

Bass Tuner

Metronome

Ukulele Tuner

Guitar Tuner

Game Audio