SQL Designer

Category

Developer Tools

Launched

July 4, 2026

Pricing

freemium

Website

sql-designer.com

SQL Designer is a free, browser based entity relationship diagram (ERD) tool that lets you visually design database schemas. You can create tables, define columns with real database types (e.g., INT, VARCHAR, DECIMAL), set constraints (PRIMARY KEY, UNIQUE, NOT NULL), and draw foreign key relationships using crow's foot notation. The tool supports six SQL dialects: MySQL, PostgreSQL, SQLite, Oracle, SQL Server, and Microsoft Access. Once your diagram is ready, you can export a complete CREATE TABLE script in one click, or paste an existing SQL script to visualize it as an editable diagram. SQL Designer also supports importing SQL or JSON schema, and exporting to SQL, JSON, or Laravel migration files. It runs entirely in the browser with no installation required.