Tool Directory
Choose the right tool for what you want to do.
Look up chords, learn harmony, build progressions, or transpose ideas. Every tool is organized by goal and lets you verify things by ear.
Start by goal
🔍
Look up a chord fast
Search by chord name or identify a chord from notes on the keyboard.
Start by goal
🎹
Understand diatonic chords
Hear how each degree functions inside a key instead of memorizing shapes only.
Start by goal
🏗️
Write a progression
Build chord progressions step by step with emotional guidance and playback.
Explore
🎹
Makes sound Diatonic Chord Reference
Select a key to see its diatonic chords. Tap any chord to hear it.
🎵
Makes sound Scale Dictionary
Browse scales on a keyboard or fretboard. Listen and learn.
🔍
Makes sound Chord Finder
Look up chord tones by name, or tap notes on the keyboard to identify a chord.
⭕
Makes sound Circle of Fifths
Tap the circle to hear each key. Visualize key relationships at a glance.
Create
Analyze & Convert