DrawSQL AlternativeSchemaIQ is a browser-based DrawSQL alternative for PostgreSQL DDL diagrams.SchemaIQ is a browser-based DrawSQL alternative for PostgreSQL. Instead of drawing tables by hand, paste your SQL DDL and SchemaIQ generates the ER diagram automatically, including foreign-key relationships and indexes.

Generate diagrams from SQL DDL — no manual drawing

Automatic foreign-key relationship visualization

PNG and SVG export

Free and fully client-side

Optional Local Connector for live PostgreSQL databases

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