“Twist the wheel. Unlock the key. Write the song.”

Your shortcut to songwriting and improvisation.
 
Music theory shouldn't feel like rocket science. ChordSpinner puts the power of scales, modes, and harmonies right at your fingertips. By visually locking in keys and their native diatonic chords, you can instantly see which notes and chords blend perfectly together. No matter your instrument, ChordSpinner bridges the gap between what you hear in your head and what you play on your stage.

Master music theory without the headache at ChordSpinner.

We turn complex harmonic structures into a visual, interactive playground for students, teachers, and curious musicians. Spin the wheel to discover unexpected chord variations, test your ear training, and analyze hit song formulas. Learning music theory has never been this fluid, visual, or fun.
Chordspinner

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One Wheel. Endless Musical Possibilities.
 
Demystify music theory and supercharge your creativity. ChordSpinner is a hands-on decoder wheel that instantly reveals:
  • Any Scale or Mode: Decode Ionian to Locrian in seconds.
  • Diatonic Harmonies: Know exactly which chords naturally fit in every key.
  • Universal Translation: Works flawlessly for guitar, piano, brass, and vocals.
  • Instant Transposition: Shift keys effortlessly without losing your progression.

Easily master music with the Chordspinner 7th wheel. Learn how to create scales, chords, modes and much more.

Major scales and how to make them
Minor scales explained, with examples
Major chords constructed from simple thirds
Minor chords and how to build them
Diatonic chords for every scale major and minor
The seven relative modes
The seven parallel modes
building on triads. Making 7ths, 9ths, 11ths and 13ths
Which chords you need for your songwriting? It's all in the chordspinner.

Stop memorising charts. Start playing.
ChordSpinner is the ultimate visual guide that unlocks the secrets of music theory with a simple twist. From mastering complex modes to mapping out perfect diatonic chord progressions, this all-in-one wheel translates confusing theory into actionable inspiration. Designed for all instruments and skill levels—spin your way to effortless songwriting, transposing, and improvisation.