Fretboard
A chord and scale reference for ukulele, guitar, and mandolin. Interactive diagrams, synthesized audio, and music theory built in.
Features
- Interactive chord diagrams with finger positions for ukulele, guitar, and mandolin
- Scales and modes — major, minor, pentatonic, blues, dorian, and more
- Hear every chord and scale with synthesized plucked-string audio
- Browse by instrument — choose ukulele, guitar, or mandolin
- Full chord and scale matrix: 12 roots × 14 chord qualities × 10 scale types
For Registered Users
All chord diagrams, scales, and audio are freely available without an account. Registered users get access to additional features:
- Save favorites — bookmark chords and scales for quick access
Create a free account to get started.