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Harmony Mapper
Click any chord to see where it can go! Explore harmony!
Pick a key and mode, click any chord to hear it, and see where it can lead. Stack lenses for secondary dominants, tritone subs, modal interchange, and chromatic mediants. Build progressions and export as MIDI.
Hi all, I am guitarist and songwriter. I bulit the tool for myself but I thing could be useful for others. The tool is vibecoded.
About Harmony Mapper on Product Hunt
“Click any chord to see where it can go! Explore harmony!”
Harmony Mapper was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #126 on the daily leaderboard. Pick a key and mode, click any chord to hear it, and see where it can lead. Stack lenses for secondary dominants, tritone subs, modal interchange, and chromatic mediants. Build progressions and export as MIDI.
On the analytics side, Harmony Mapper competes within Design Tools, Music, Education and GitHub — topics that collectively have 433.1k followers on Product Hunt. The dashboard above tracks how Harmony Mapper performed against the three products that launched closest to it on the same day.
Who hunted Harmony Mapper?
Harmony Mapper was hunted by Vlastimil Cerveny. 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.
For a complete overview of Harmony Mapper including community comment highlights and product details, visit the product overview.
Vlastimil Cerveny