Free tool · one-time access
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FRETBOARD GPS
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Fretboard GPS
KEY
SCALE
SYSTEM
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Notes / How to use
How to use the fretboard
Pick a key and scale to map every note across the neck, then choose a position system — CAGED, 2NPS, 3NPS, 4NPS, 2-1-2, 3-1-3, or pentatonic. Open settings for string/tuning view, CAGED chord source, interval injection, and overlays.
Free · Practice Tools
More from the practice room
The tuner and metronome are free too — one email unlocks all three.
Tuner
Chromatic pitch reference — tune by ear or by microphone input.
Chromatic · mic or reference tones · strobe mode
Metronome
Tap tempo, variable subdivision, and accent patterns for steady-time practice.
30–300 BPM · subdivisions · tap tempo · trainer
Fretboard GPS
Interactive neck diagram — find every note, scale, and chord shape in any key.
Notes · scales · CAGED · SVG neck
Free. One email unlocks all three, once.