PostgreSQL Schema DesignerDesign and understand PostgreSQL schemas visually with SQL DDL import and ERD export.SchemaIQ is a PostgreSQL schema designer and database design tool. Import SQL DDL, edit tables and columns, add and update relationships, and visualize the whole schema — then export a clean ERD for your documentation.

Import and edit PostgreSQL schemas from SQL DDL

Add, rename, and remove tables, columns, and relationships

Visualize foreign keys and junction tables

Round-trips edits back to SQL DDL

Export diagrams as PNG or SVG

Explore SchemaIQ