LayerNEXUS Turn messy CSVs into clean SQL and ER diagrams (self-hosted)

Show HN: LayerNEXUS Turn messy CSVs into clean SQL and ER diagrams (self-hosted)

Operating in show hn launch, LayerNEXUS Turn messy CSVs into clean SQL and ER diagrams (self-hosted) operates.

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Hi HN,I built LayerNEXUS, a self-hosted tool that turns messy, denormalized CSV files into clean, normalized SQL schemas and ER diagrams - 100% offline and privacy-first.Key Features: - Drag & drop CSVs/JSONs (multi-file supported) - Auto-detects entities, relationships, and infers 3NF structure - Outputs SQL for PostgreSQL, MySQL, SQLite, Oracle, and SQL Server - Instant ERD preview - AI-powered schema refinement (bring your own OpenAI key)Why I built it: I was tired of reverse-engineering messy Excel/CSV datasets and manually drawing ER diagrams. I needed a fast way to convert real-world data dumps into clean, production-grade schemas.Would love your feedback - bugs, feature ideas, UX thou

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Website: layernexus.com