Created by Joey Dolan

Interactive tools for bass players.

Explore keys, bassline ideas, chord tones, fretboard movement, and progression paths from a bassist’s point of view.

Bass Key Helper

Bass Key Helper

See safe notes, color tones, fretboard positions, and where the song can move next.

Open Tool
Bassline Builder

Bassline Builder

Turn chord progressions into playable bass movement with generated line ideas, variation, and neck mapping.

Open Tool
Bassline Generator

Bassline Generator

Generate playable bassline ideas by key, mode, feel, complexity, and progression.

Open Tool
Chord Shape Finder

Chord Shape Finder

Explore major, minor, augmented, and diminished chord shapes from E-string and A-string roots, with triad or seventh chord-tone views.

Open Tool
Chord Structure Mapper

Chord Structure Mapper

Explore open and closed voiced bass chord structures for major 7, dominant 7, minor 7, and minor 7 flat 5.

Open Tool
Chord Tone Finder

Chord Tone Finder

Find chord tones, slash-bass options, extensions, playable lines, and fretboard positions for real-world bass use.

Open Tool
Mode Explorer

Mode Pattern Explorer

See modes as real patterns you can play. Explore box shapes, diagonal movement, and full-neck layouts across 12, 22, or 24 frets.

Explore Modes
Progression Builder

Progression Builder

Create connected verse, chorus, and bridge progressions with bass root movement, passing notes, color ideas, and fretboard guidance.

Open Tool