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Case study 06 · Product design and safety
Reshuffy
Spotify playlist cleanup, safe by default.

What it does
Reshuffy gives your Spotify library a Tidy Score from 0 to 100, with the receipts: duplicates, near-identical playlists and tracks Spotify can no longer play. Then AI sorts your tracks into new playlists by mood, genre, era or use case.
Safe by default
It touches something people care about, so it is safe by default. Originals are never modified, every change is previewed track by track, nothing reaches Spotify without an explicit yes, and one click undoes it all.
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