Interactive fretboard tool

Interactive guitar chord finder

Select notes on the fretboard to identify guitar chords, inversions, and voicings. Change the tuning, compare interval spellings, and hear the selected notes before opening a matching chord-shape page.

Tuning:

Detected Chords

Symbol	Root Note	Quality	Intervals
Cmaj7	C	maj7	1P, 3M, 5P, 7M
G6/C	G	6	1P, 3M, 4P, 6M
Bsus4/C	B	sus4	1P, 2m, 4P, 6m
Em/C	E	m	1P, 3m, 5P, 6m

Selected Notes

String	Fret	Note	MIDI	PC	Interval
6	3	G4	67	7	5P
5	5	E4	64	4	3M
4	4	B3	59	11	7M
3	5	G3	55	7	5P
2	3	C3	48	0	1P

Loading the interactive chord finder…

Continue exploring the fretboard

Use the reference libraries to move from a detected chord name to practical fingerings, scales, progressions, and ear-training drills.

Browse chord shapes

Compare fingerings and voicings by chord quality.

Practice shell voicings

Learn compact guide-tone shapes for jazz comping.

Explore guitar scales

Review formulas, notes, and fretboard patterns.

Build a progression

Hear chord movement in a chosen key and style.

Compare chord formulas

See how chord qualities are built from intervals.

Train chord recognition

Practice identifying chord qualities by ear.