Welcome
StackRender is a database schema diagram editor that helps developers design databases visually, manage schema evolution, and keep database migrations organized as their applications grow.

StackRender is a free open-source database schema editor that helps developers design and evolve their databases.
You can import an existing schema, build one from scratch, or use the StackRender AI Assistant to generate a blueprint in seconds.
StackRender tracks changes in your Entity Relationship Diagram (ERD) and automatically generates production-ready database migrations, helping you manage schema evolution as your application grows.
Diagram Editor
Create clean and intuitive diagrams to design and visualize your database schema.
Tables & Fields
Define tables and organize their fields to structure your database schema.
Data Types
Assign the correct data types to ensure your schema is accurate and consistent.
Relationships
Connect tables using relationships to model how your data interacts.
Indexes
Improve database performance by defining indexes on important fields.
Import & Export
Easily bring your database schemas into StackRender or export them as clean, production-ready SQL. StackRender supports multiple database dialects, making it simple to work with your preferred database.
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Import
Import your database schema in your preferred SQL dialect and start editing instantly.
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Export
Export your schema as well-structured DDL, ready for production deployment.
Export DDL
Generate production-ready DDL for your database.
AI Assistant
By far the fastest and most accurate AI assistant for database schema design, helping you generate, optimize, and document your schemas in seconds.
Text to ERD
Convert plain text specifications of your database into a fully visual ERD automatically.
Index Suggestions
Get AI-powered recommendations for indexes to optimize your database performance.
Soft-Delete
Automatically implement soft-delete patterns for your tables to keep data safe.
Schema Enrichment
Enhance your schema with additional fields, relationships, and constraints suggested by AI.
Documentation
Generate clear and structured documentation for your database schema instantly.
Database Migrations
StackRender automatically tracks schema changes from your ERD and generates production-ready database migrations for your preferred database dialects: PostgreSQL, MySQL, and MariaDB.
Database Migrations
Learn how StackRender handles database migrations , create and apply changes, roll back safely, and track schema evolution as your database grows.