A powerful online tool to convert SQL CREATE TABLE statements to clear entity-relationship diagrams with one click. Support rich style and layout configuration options, easily export high-quality images.
Good SQL to ER provides an online SQL-to-ER diagram converter that turns CREATE TABLE statements into clear entity-relationship diagrams. It parses multiple tables, detects foreign keys, and draws relationships automatically. Customize colors, sizes, layouts, and labels, preview interactively, and export high-quality PNG or SVG images, or open the result in draw.io for deeper edits. It helps you document and communicate database structure quickly and clearly.