SQL Designer

SQL Designer

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Free and Open Source ERD tool for MySQL and Postgres

snydi611
@snydi611
Published on May 1, 2026
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@sqldesigner
Pricing
Free
Platforms
Web

About SQL Designer

Features: Graphical designer where you can create, edit and connect tables using drag-and-drop Import and export to and from sql, txt, and json files Support for MySQL and Postgres Multiple diagrams that you can save (unlimited) Diagram sharing and realtime multiplayer

Product Insights

SQL Designer is a free, web-based tool for generating entity-relationship diagrams for MySQL and Postgres environments. It combines graphical editing with file-based import/export and allows for unlimited diagram storage and real-time team collaboration.

  • Supports bi-directional workflows with SQL, TXT, and JSON import/export capabilities.
  • Enables team productivity through real-time multiplayer diagram sharing.
  • Provides a free and open source solution for unlimited diagram creation and storage.
  • Simplified schema design using a drag-and-drop graphical interface for database tables.

Ideal for: Backend developers and general developers who need a collaborative, free tool for database management and system design.

Screenshots

Screenshot 1 of SQL Designer

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Comments (1)

chaudharyarun5797
@chaudharyarun5797

Free open source ERD tool for MySQL and Postgres is a go-to for database designers.