JPA Visualizer

JPA Visualizer

Generate interactive ER diagrams from your Java JPA entities – right inside Visual Studio Code.

✨ Features

• 🔍 Automatically scans your workspace for @Entity classes
• 🧩 Detects fields and JPA relations (@OneToMany, @ManyToOne, etc.)
• 🗺️ Generates clean Mermaid ER diagrams in a VS Code webview
• 🔄 Updates the diagram on save
• 🎛️ Toggle light/dark theme for better visibility
• 🧭 Zoom and pan the canvas with mouse or controls
• 📤 Export diagrams as SVG/PNG
• 📋 Copy Mermaid code to clipboard for documentation or sharing

🚀 Quick Start

• Open the command palette (Ctrl+Shift+P / Cmd+Shift+P)
• Run JPA Visualizer: Generate Diagram

Your entity model appears instantly as an interactive ER diagram

✅ Requirements

• VS Code v1.101.0+
• Java project with JPA annotations

📌 Notes

• Focused on standard JPA annotations
• Complex mappings may be partially visualized

📜 License

• Released under the Business Source License 1.1 (BUSL-1.1)

Development

Want to build or contribute? See DEVELOPMENT.md.

Enjoy visualizing your JPA entities!