Music Theory Tools

Free interactive tools to help you understand music theory concepts.

Calculate Any Scale (And Its Chords)

Immediately find the notes of any common scale or mode, then see the diatonic chords that live within that scale.

Create Your Own Chord + Scale Charts

Create custom guitar scale and chord diagrams. Place notes, mark roots, add finger numbers, then export as SVG or PNG.

Parallel Mode Calculator

Instantly view all the parallel modes in a key, their chords, and their extended variations. A great way to practice modal mixture (aka modal interchange) and borrowed chords.

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Share a Chord Progression

A quick & easy way to share chord progressions for guitar - Under Construction!