FIND · NAME · BUILD · HEAR
Most chord charts only know standard tuning and only show one fingering. This one works out the shapes from the tuning itself — so Drop D, DADGAD, Open G all just work — finds multiple real voicings for any chord, tells you the name of a chord you stumbled onto, and lets you chain chords into a progression you can play back and share.
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root
3rd
5th
7th
ext
○ open · ✕ mute
Progression
Add chords here, then play them back or copy a link that reopens this exact page.
This is a tiny piece of what CoDriver does.
CoDriver lets you talk to your music software — load instruments, build chords and progressions, run your whole live set by voice and gesture, hands free. This chord engine is one small thing it understands. Come see the rest.
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