Jazz chord reference
ChordCatalog
A fast jazz chord dictionary for piano, guitar, and ukulele. Look up chord symbols, inspect intervals and notes, compare voicings, and see what can be omitted when the harmony gets dense.
Built For Fast Lookup
ChordCatalog is a self-contained music education app. It does not require an account, subscription, or internet connection.
Search Jazz Symbols
Find common major, dominant, minor, diminished, augmented, and suspended chord qualities quickly.
Compare Instruments
Review piano, guitar, and ukulele voicings with clear instrument diagrams.
Understand Omissions
See practical note omission guidance for extended chords and compact voicings.
Privacy Policy
Effective May 12, 2026
ChordCatalog does not collect personal data. The app runs locally on your device and does not require an account, analytics, advertising, tracking, or a backend service.
Data Collection
We do not collect names, email addresses, location, contacts, photos, identifiers, usage analytics, or payment information from the ChordCatalog app.
Audio Playback
ChordCatalog uses local audio resources bundled with the app to play notes and voicings. Audio playback does not send data to Pharmakon.
Support
If you email support, we will receive the information you choose to send in that message and will use it only to respond to your request.
For questions about this privacy policy or the app, contact support@pharmakon.io.