Music theory tools

Interactive tools for keys, scales, chords and progressions.

• ⭕Circle of fifthsInteractive wheel with key signatures, scales, chords and relative minors for every key.
• ↕️Chord transposerPaste a song and move every chord to a new key, lined up over the lyrics.
• 🎹Chord progression generatorFamous and random progressions in any key, with playback and chord shapes.