Music Theory Toolkit
Scale · Chord · Transposer
Scale Explorer
Chord Explorer
Instrument Transposer
Chord Detector
Chord Progressions
Root Note
C
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
Scale Type
Major
Natural Minor
Harmonic Minor
Dorian
Phrygian
Lydian
Mixolydian
Custom Intervals
Comma-separated semitone steps
Scale Output
Copy
Root Note
C
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
Chord Type
maj
m
maj7
m7
6
7
aug
dim
sus2
sus4
7sus4
Or type a chord symbol
Root can be C, Db, D, etc.
Chord Output
Copy
Input Note
C
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
From Instrument
C
Bb
Eb
F
Db
G
A
To Instrument
C
Bb
Eb
F
Db
G
A
Result
Copy
Semitone Difference
Input Notes
Comma-separated notes (e.g., C, Eb, G)
Possible Chords
Copy
Key (Root Note)
C
Db
D
Eb
E
F
Gb
G
Ab
A
Bb
B
Progression Type
I - IV - V - I
I - IV - V - vi
i - iv - v
i - III - v
Progression Output
Copy