Online Guitar & Bass Tuner

Choose your instrument and tuning, then play clear reference notes to tune by ear. No microphone or account required.

Electric GuitarWood finish
Acoustic GuitarMahogany
Bass4 strings
Electric guitar

Tune one string at a time

Choose a string below to hear its reference pitch.

E4Mi
B3Si
G3Sol
D3Re
A2La
E2Mi

String 1 (high E) → String 6 (low E)

Tuning controls

Find your reference pitch

Tuning
Standard (E A D G B E)
Note names
Both — Letters + Solfège
Selected reference note
E4 / Mi329.63 Hz
▶ Play note■ Stop↻ Loop note
Volume

Final version: real electric, acoustic and bass reference samples, with continuous playback when Loop is enabled.

Chromatic reference notes

CC#DD#EF F#GG#AA#B

Octave selection will be available in the functional tuner.

Design preview only: instrument selection, buttons and audio are not active yet. They will be replaced by the GuitarNexus Tools tuner component.

How to tune your guitar by ear

Step 1

Choose your instrument

Select electric guitar, acoustic guitar or bass, then choose the tuning you want to use.

Step 2

Play a reference note

Choose a string and listen closely. Repeat the note while you adjust your instrument’s tuning peg.

Step 3

Match the pitch

Carefully tune your string to the reference sound. Continue through the remaining strings and check them again.

A free reference tuner for guitarists and bassists

GuitarNexus is building a browser-based reference tuner designed for musicians who prefer to tune by ear. The finished tool will provide instrument-specific sounds, alternative tunings, chromatic reference notes and a convenient note loop — without microphone permission, an account or a subscription.