Free online guitar tuner from Fender. Tune your acoustic, electric or bass guitar, select from standard tuning, 12 alternate tunings or customize your own!

Tune your acoustic guitar with Fender's free, guitar tuner. Select standard or alternate tunings or customize your own tune for your acoustic guitar.

Use Fender's free electric guitar tuner to keep the tone in tune. Choose from standard or alternative tunings or create a custom tune for your electric guitar.

Alternate tunings involve tuning your guitar in different ways than standard tuning, which can make it easier to play certain riffs or power chords in the open position or with just one finger on the fretboard.

Tuning a guitar is one of the first skills any beginner learns as it ensures your guitar sounds right. The easiest way to do this is to download the Fender Tune App or use the online tuner on Fender.com, then follow the step-by-step instructions.

To be exact, from low to high, standard guitar tuning is EADGBE—three intervals of a fourth (low E to A, A to D and D to G), followed by a major third (G to B), followed by one more fourth (B to the high E).

While there are many ways to tune your acoustic or electric guitar, everything essentially starts with what's known as "standard tuning." In standard tuning, the six strings are assigned the notes of E, A, D, G, B and E from top to bottom, forming the foundation of guitar playing.

Tuning tip: pluck the string once to let the note sustain, allowing you and the tuner to hear the change as you turn the peg.

Use Fender's guitar tuner to keep your bass tone in tune. Choose from standard or alternative tunings or create a custom tune for your bass.

The Easiest Way to Begin Memorizing Guitar Notes and Strings with Acronyms. The six strings of a guitar can be thought of in descending or ascending order. The thickest string is called the 6th string. In standard guitar tuning, this is tuned to E and is often referred to as the "low E string," meaning the lowest note you can play.