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drawDB

drawDB

Visual database design made simple and free for developers.

softwareDatabasesdatabase-designerdentity-relationship
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Our Verdict

Best for

Developers and DBAs needing free, browser‑based ER diagramming with Git integration

Skip if

You require offline use or advanced styling/mock data features

What is drawDB?

drawDB is a web‑based tool that lets developers and DBAs create, edit, and share entity‑relationship diagrams directly in the browser. It supports forward and reverse engineering, letting you generate SQL from diagrams or import existing schemas. The platform is free, open‑source, and integrates with common version‑control workflows, making it ideal for collaborative schema design and documentation across teams.

SpecificationsAI-estimated

open source✅ Yes
github stars38,177
api available✅ Yes
support optionsEmail, GitHub Issues
key integrationsGitHub, GitLab, Slack
primary languageJavaScript

Key Features of drawDB

Create ER diagrams with drag‑and‑drop tables, columns, and relationships using an intuitive canvas.
Generate CREATE TABLE statements for MySQL, PostgreSQL, SQLite, and SQL Server directly from your diagram.
Import existing database schemas via SQL or CSV to automatically build diagrams for reverse engineering.
Collaborate in real time with teammates, seeing each other's changes instantly on the shared canvas.
Export diagrams as PNG, SVG, or PDF for documentation and presentations.
Sync diagram files with GitHub or GitLab repositories to keep schema versions under source control.
Use built‑in validation to detect orphan tables, missing foreign keys, and naming inconsistencies.
Customize visual styles, colors, and layout algorithms to match your team's branding or preferences.

Use Cases for drawDB

1

Initial Schema Design

Sketch and iterate on a new database structure before any code is written.

2

Documentation

Generate up‑to‑date ER diagrams for technical docs and onboarding material.

3

Legacy Migration

Reverse‑engineer an existing database to visualize and plan migration to a new platform.

4

Team Collaboration

Work together with developers and DBAs in real time to refine schema changes.

Pros & Cons of drawDB

Pros

  • Completely free and open source.
  • Runs entirely in the browser—no installation required.
  • Supports both forward and reverse engineering of multiple SQL dialects.
  • Integrates with GitHub/GitLab for version‑controlled diagram files.

Cons

  • Limited offline functionality; requires internet access.
  • Advanced styling options are basic compared to paid diagram tools.
  • No built‑in data population or mock data generation features.

Frequently Asked Questions

Is drawDB really free?

Yes, drawDB is offered as a free, open‑source web application with no hidden fees.

Which databases does the SQL export support?

drawDB can generate SQL for MySQL, PostgreSQL, SQLite, and Microsoft SQL Server.

Can I use drawDB offline?

The core product runs in the browser and requires an internet connection; there is no offline desktop version currently.

How does version control work with drawDB diagrams?

Diagrams are saved as JSON files that can be committed to GitHub or GitLab repositories, allowing you to track changes over time.

Pricing Overview

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Free

Detailed plans are not listed. Visit the official website for pricing information.

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About the Tool

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Target AudienceDevelopers and DBAs designing database schemas

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Tags

database-designerdentity-relationshipsql-generatorschema-designdiagramming

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