How do I turn a Prisma schema into an ERD?

Paste your schema.prisma file (or upload it) into the Database Schema Designer. It parses your models, enums, and @relation attributes entirely in your browser and renders an interactive, draggable entity-relationship diagram with 1:1, 1:N, and N:M relationships automatically detected from your foreign keys.

Can I generate an ERD from raw SQL CREATE TABLE statements?

Yes. Paste or upload a .sql file with CREATE TABLE statements (PRIMARY KEY, FOREIGN KEY, UNIQUE, and CREATE INDEX are all parsed) and it renders the same interactive diagram, including composite primary keys and many-to-many relationships detected from pivot/join tables.

What can I export the diagram to?

The diagram itself exports to PNG, SVG, or PDF. The schema exports to SQL DDL, DBML (dbdiagram.io format), PlantUML, or Mermaid erDiagram syntax pick whichever your team or documentation already uses.

Is my database schema uploaded anywhere?

No. Parsing, layout, and every export happen entirely in your browser nothing is uploaded to a server. Your schema is only saved to this browser’s local storage so you can come back to it later.

Free Database Schema Visualizer

Database Schema Designer

Paste a Prisma schema or raw SQL DDL and get an accurate, interactive ERD instantly tables, columns, and 1:1 / 1:N / N:M relationships inferred from your foreign keys. Free design health checks, and export to SQL, DBML, PlantUML, Mermaid, PNG, SVG, or PDF. Runs entirely in your browser nothing is uploaded.

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Prisma · SQLinput

Liveinteractive ERD

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Freeno signup

Your schema, visualized live

Loading schema designer…

Designing a bigger system? Try the System Design Studio or review System Design Q&A.

Database Schema Designer

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