MySQL Schema Diagram Generator

Transform your MySQL database schema into beautiful, interactive diagrams with automatic relationship detection

MySQL Schema Input

How to Use

  1. 1Paste your MySQL CREATE TABLE statements or upload an SQL file
  2. 2Click "Generate Diagram" to visualize your schema
  3. 3Customize layout, zoom, and navigate through your diagram
  4. 4Export your diagram in your preferred format

Smart Visualization

Automatically detects relationships, foreign keys, and constraints to create accurate diagrams with professional styling.

Flexible Layouts

Choose from multiple layout algorithms and customize spacing for perfect diagram organization and readability.

Export Options

Export diagrams as high-quality PNG, scalable SVG, or professional PDF for documentation and presentations.

Real-time Processing

Instant schema parsing and diagram generation with comprehensive error handling and validation feedback.

Complete MySQL Support

Supports all MySQL features including engines, character sets, indexes, constraints, and complex relationships.

Privacy & Security

100% client-side processing ensures your database schemas remain private and secure on your device.

Frequently Asked Questions

What MySQL syntax and features are supported?

The generator supports comprehensive MySQL syntax including CREATE TABLE statements, all data types (INT, VARCHAR, TEXT, DATETIME, etc.), primary keys, foreign keys, unique constraints, indexes, AUTO_INCREMENT, DEFAULT values, NULL/NOT NULL constraints, table engines (InnoDB, MyISAM), character sets (UTF8, UTF8MB4), and table comments.

Can I export diagrams in different formats?

Yes, you can export your MySQL database diagrams in three high-quality formats: PNG (high-resolution raster images), SVG (scalable vector graphics), and PDF (professional documents). All exports maintain diagram quality and are optimized for their intended use.

How does automatic relationship detection work?

The tool automatically parses FOREIGN KEY constraints in your MySQL schema and creates visual connections between related tables. It detects relationships and displays them with labeled arrows showing the connecting columns, highlighting primary keys, foreign keys, and unique constraints with distinctive icons.

Is my MySQL schema data secure and private?

Absolutely. All MySQL schema processing happens entirely in your web browser using client-side JavaScript. No data is transmitted to any server, stored in databases, or shared with third parties. Your database schema remains completely private and secure on your local machine.

Can I handle large MySQL schemas with many tables?

Yes, the generator is optimized for large schemas with performance features like automatic layout algorithms, zoom and pan controls, minimap navigation, adjustable spacing, and efficient rendering for schemas with hundreds of tables and relationships.

Is the MySQL Schema Diagram Generator completely free?

Yes, this tool is 100% free to use with no limitations. There are no premium features, subscription fees, or usage restrictions. You can create unlimited diagrams, export in all formats, and use all features without any cost or registration requirements.