GuitarDiagram

Draw chords, scales, and degrees on a guitar fretboard. Color-coded degrees, open-string marks, flat note names, and left-handed mode. Save and export as images.

Guitar Diagram lets you create fretboard diagrams by placing dots on any position of the guitar neck.

FEATURES • Tap anywhere on the fretboard to place a dot • Choose from 19 degrees (R, 3, 5, b7, etc.) with automatic color coding • Display note names (C, D, E, etc.) • Fully customizable colors and labels • Adjust fret count, start fret, and nut display • Save diagrams with custom names • Export as image to share • Undo / Redo support • Dark mode • English & Japanese

PERFECT FOR • Learning scale degree positions • Mapping out chord tones • Creating teaching materials • Building your own position charts