FretCipher

Master the guitar fretboard. See how music theory actually connects.

FretCipher is an interactive guitar fretboard, music theory reference, and training tool designed to help guitarists understand what they’re playing—not just memorize patterns.

Explore scales, modes, chords, triads, intervals, and note relationships directly on the fretboard. Whether you’re learning your first scale positions, connecting shapes across the neck, studying chord tones, or trying to finally understand how music theory applies to guitar, FretCipher makes it visual.

SEE THE ENTIRE FRETBOARD

Choose a key, scale, or mode and instantly see the notes and intervals mapped across the neck. Move between positions or view the larger pattern to understand how everything connects.

EXPLORE CHORDS & TRIADS

Visualize chord tones, triads, inversions, and different voicings on the fretboard. See where the root, 3rd, 5th, 7th, and other intervals actually live beneath your fingers.

LEARN SCALES & MODES

Explore major and minor scales, pentatonics, modes, and other useful scale patterns. Switch between note names and intervals to study the fretboard from different perspectives.

TRAIN, DON’T JUST STUDY

Interactive games and quizzes help turn fretboard knowledge into instinct. Practice identifying notes, intervals, triads, positions, key signatures, and more.

BUILD YOUR OWN

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