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Open—Shape
Chord progressions for guitar that adapt to any tuning
A free chord progression builder and chord finder for guitar. Write progressions on an open canvas, in Standard, DADGAD, Open G, drop tunings or a custom tuning you build yourself — every shape re-voices itself when the tuning changes. Works in your browser, no account.
Hey Product Hunt 👋
I kept losing track of chord shapes every time I switched guitar tunings — DADGAD, drop tunings, open tunings all mean re-learning the same progression by hand. That annoyance is basically the whole reason Open—Shape exists.
The canvas treats a tuning, a capo, and each chord as connected objects instead of static diagrams. Change the tuning node once and every chord downstream re-voices itself, computed live by a chord-voicing engine rather than looked up from a chart — it searches every playable fingering and picks the best one, and you can page through alternatives per chord.
It started as just a chord finder; the canvas came later once I realized the real problem wasn't finding one chord, it was keeping a whole progression consistent across a tuning change. Free to use, with a one-time Pro upgrade for unlimited canvases and saved progressions. Also on iOS.
Would love feedback, especially from anyone who plays in alternate tunings a lot — what's confusing, what's missing, what tuning to add next.
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About Open—Shape on Product Hunt
“Chord progressions for guitar that adapt to any tuning”
Open—Shape was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #153 on the daily leaderboard. A free chord progression builder and chord finder for guitar. Write progressions on an open canvas, in Standard, DADGAD, Open G, drop tunings or a custom tuning you build yourself — every shape re-voices itself when the tuning changes. Works in your browser, no account.
Open—Shape was featured in Productivity (661.2k followers), Music (53.6k followers) and Developer Tools (519.8k followers) on Product Hunt. Together, these topics include over 257.2k products, making this a competitive space to launch in.
Who hunted Open—Shape?
Open—Shape was hunted by Mike Hix. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Mike Hix