Detects the key and rewrites every chord as a Nashville number. Review & tweak below, then save.
Drag an image here, paste from your clipboard, or .
Reads chords, lyrics & sections automatically, then converts to numbers.
Uses Claude vision, so this step needs internet. Adding a song is online; using your saved charts stays fully offline.
Edit freely — the preview updates live. Re-pick the key and hit Convert again if the key was detected wrong.