Chord Ninja

Master the fretboard with clear diagrams, interactive tools, real-time visualisations, and practical music theory.

Featured tool

New: Browser guitar tuner

Turn on your mic, pluck a string, and watch the live meter lock onto standard tuning in real time.

See notes, intervals, scales & chords across the entire neck.

Fingerings, shapes, theory breakdowns & fretboard overlays.

Modes, pentatonics, positions & interval patterns.

Build progressions and visualize chord tones while you play.

Use your microphone to detect pitch and dial each string into standard tuning.