Free Interactive Guitar Reference
Master the Fretboard
Visual, interactive diagrams for guitar scales, arpeggios, and chords across all 12 keys. Built for guitarists who want to understand music, not just memorize shapes.
Scales
From pentatonic basics to jazz melodic minor — explore every scale across the neck.
Arpeggios
Outline chord tones across the fretboard. Essential for lead playing and improvisation.
Chords
Major, minor, dominant, diminished and more — see every chord tone mapped across the neck.
Why Guitarious?
All 12 Keys
Every scale, arpeggio, and chord is available in all 12 root notes — from C to B.
Interactive Fretboard
Visual diagrams across 15 frets in standard E tuning, with root notes highlighted.
Notes & Intervals
Each diagram shows the exact notes and interval formulas so you understand what you're playing.
Latest from the Blog
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The CAGED system unlocks the entire fretboard by connecting 5 chord shapes you already know.
Getting Started with Pentatonic Scales
The pentatonic scale is the first scale every guitarist should learn. Here's why and how.
Bear Guitars
Crafting a musical instrument is joyous.