bassmapper
bass scales & chords
A free, interactive reference for the bass fretboard. Every scale and chord, in every key, shown across all four strings. Tap a note to hear it, or open it in BassMapper to play along with a MIDI file.
scales →
96 interactive scale diagrams: major, minor, pentatonic, blues, modes, across all 12 keys.
chords →
108 interactive chord diagrams: major, minor, 7ths, diminished, augmented, sus, across all 12 keys.
the full tool →
Open BassMapper to drop in a MIDI file and watch the bass line light up on the neck in real time.