Studio 01 Chords Helper

Chords Helper

Scale maps, diatonic triads, fretboard diagrams, and performance notation — built for chart readers and improvisers.

Key picker

Current key C Major (Ionian)

01

Scale map

Diatonic notes for the selected key and scale.

C Major (Ionian)

Major (Ionian)

C D E F G A B

02

Diatonic chords

Triads built from C Major (Ionian).

C

C – E – G

Quality
Major
Formula
1 - 3 - 5
Root
C
3rd
E
5th
G

D min

D – F – A

Quality
Minor
Formula
1 - ♭3 - 5
Root
D
3rd
F
5th
A

E min

E – G – B

Quality
Minor
Formula
1 - ♭3 - 5
Root
E
3rd
G
5th
B

F

F – A – C

Quality
Major
Formula
1 - 3 - 5
Root
F
3rd
A
5th
C

G

G – B – D

Quality
Major
Formula
1 - 3 - 5
Root
G
3rd
B
5th
D

A min

A – C – E

Quality
Minor
Formula
1 - ♭3 - 5
Root
A
3rd
C
5th
E

B dim

B – D – F

Quality
Diminished
Formula
1 - ♭3 - ♭5
Root
B
3rd
D
5th
F