Database Design

Convert Markdown to ERD Online

Transform your Markdown documentation into professional Entity Relationship Diagrams. Perfect for database design, documentation, and system architecture planning.

Try DocuMapper Now

How It Works

01
Upload Markdown File

Select your .md file containing database schema, entity descriptions, or data model documentation.

02
Schema Analysis

AI identifies entities, attributes, primary keys, foreign keys, and relationships from your markdown content.

03
ERD Generation

Automatically generates a professional Entity Relationship Diagram with proper notation and relationships.

04
Export & Share

Download your ERD as SVG, PNG, PDF, or get SQL DDL statements for database creation.

Why Convert Markdown to ERD?

Automatic entity and attribute detection
Relationship mapping (1:1, 1:N, N:M)
Primary and foreign key identification
Standard ERD notation (Crow's foot)
SQL DDL code generation
Multiple database dialect support

Example Markdown Content

# Database Schema

## Users Table

- id (Primary Key, Integer)

- email (String, Unique)

- name (String)

- created_at (DateTime)

## Orders Table

- id (Primary Key, Integer)

- user_id (Foreign Key → Users.id)

- total (Decimal)

- status (Enum: pending, completed)

Frequently Asked Questions

What Markdown formats work best?

Structured markdown with clear headings, tables, and lists works best. We support GitHub Flavored Markdown and standard Markdown syntax.

Can I generate SQL from the ERD?

Yes! Pro and Super plans include SQL DDL generation for PostgreSQL, MySQL, SQL Server, and other popular database systems.

How are relationships detected?

Our AI identifies foreign key references, junction tables, and explicit relationship descriptions to create accurate ERD connections.

Can I customize the ERD appearance?

Customize colors, fonts, notation styles, and layout. Export in multiple formats including vector SVG for further editing.

Ready to Generate Your ERD?

Transform your database documentation into professional diagrams in seconds

Get Started Free