Fretly is a browser-based tool for seeing the guitar fretboard — scales, chords, modes, and fingerings — and turning what you see into printable diagrams and shareable suites.
The core pages
- Scales — any scale in any key, in CAGED, 2NPS, 3NPS and more.
- Chords — voicings (triads → 7ths), drop sets, and arpeggio views.
- Suites — save collections of diagrams and share them with students.
- Tools — metronome and chromatic tuner.
A few things worth knowing
Switch between light and dark with the sun/moon icon in the top-right. Your choice sticks across sessions.