GP ToolsFretboard Reference

Fretboard Reference

Scale & mode finder, down-tune key converter, and power chord voicings — one page.

Pick your notes
selected (sounding pitch) in scale — tap to add
scales and modes

Select at least 2 notes to see matches.

Your tuning
Open strings (low → high)
Key from tab / reference material

What key does the tab, lesson, or tool assume? Click to select.

Tab key (shapes you play) Actual pitch key
Result
You play shapes in
E
E major (tab)
You actually sound like
B
B major
To sound like E major in your tuning, use
A shapes
Full shape map for this tuning

Same fret positions — different pitch. All 7 CAGED shapes.

Shape (fingers)Sounds likeTo sound X, use these shapes
Tuning & capo
Root note — sounding pitch
E5
root 5th — tap either to move root
all shapes — fingering reference
ChordPosition