I built a free tool that turns SQL schemas into ER diagrams (no signup needed). (opens in new tab)

What I built DevForge is a free SQL schema visualizer - paste your Postgres CREATE TABLE statements and instantly get a clean visual ER diagram showing your tables, columns, primary keys, foreign keys, and relationships between them. No account needed. Just paste and generate. Try it here: Why I built it I kept wanting to quickly visualize database schemas while learning SQL and building projects, but existing tools were either too complex, required signups, or didn't handle real-world messy ...