SQL to DiagramConvert PostgreSQL SQL DDL into clean database diagrams and ERDs in your browser.Convert SQL to a diagram in seconds. SchemaIQ parses PostgreSQL SQL DDL and turns your table definitions into a clean, interactive ER diagram with foreign-key relationship lines, ready to export as PNG or SVG.

Paste SQL DDL and generate a diagram instantly

Supports keys, constraints, indexes, and enum types

Interactive canvas — drag, pan, zoom, and fit view

Export as PNG or SVG

No backend or sign-up required

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