Parse Tables
The visualizer scans CREATE TABLE blocks, columns, inline keys, and table-level constraints.
Tip: include semicolons between table definitions for best parsing reliability.
Browser-based Database Design Tool
Database Schema Visualizer
Paste SQL CREATE TABLE statements and instantly map columns, primary keys, foreign keys, and table-to-table relationships.
Schema Input
Supports MySQL/PostgreSQL/SQL Server/SQLite-style CREATE TABLE DDL and table-level constraints.
Tip: drag table headers to arrange cards, then export/import layout JSON to reuse the same diagram arrangement.
How This Works
Mark Keys
Primary keys and foreign keys are highlighted per column for quick schema inspection.
Tip: use explicit FOREIGN KEY clauses when possible to maximize relationship detection.
Draw Relationships
Detected FK links are drawn as directional connectors across table cards.
Tip: if a reference target is missing in input, the link will be skipped.
Schema Diagram
PK
FK
Column
Render a schema to see table count and detected relationships.