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About dbdiagram.io
What is dbdiagram.io?
dbdiagram.io is a free, browser-based tool for designing and documenting database schemas. You write your schema in a simple Markdown-like language and instantly generate visual ER (entity-relationship) diagrams. It solves the problem of maintaining up-to-date database documentation, making it easy for developers, data analysts, and architects to communicate and collaborate on data structures.
Who is it for?
It's ideal for developers who want to quickly sketch out a database design before coding, data teams that need to document existing schemas, and educators teaching database design. It's not built for large-scale enterprise data modeling with heavy team management or complex governance. For those needs, you'd look at dedicated data modeling tools.
Use cases
Common uses include: planning a new database schema for an application, generating documentation for an existing database, sharing a schema with teammates for review, and exporting DDL to implement the design directly. The tool also supports versioning via its historical feature, letting you track changes over time.
Key features
- Visual ER Diagrams — Turn your DSL code into a clear, shareable diagram in seconds.
- Simple DSL — Write schemas in a Markdown-like syntax that's easy to learn and fast to use.
- Export & Import — Export your schema to SQL DDL or import from Postgres and MySQL to reverse-engineer existing databases.
- Version History — Keep track of changes with automatic backups and manual snapshots (on paid plans).
- Publish & Share — Generate a public link to share your diagram with anyone, or embed it in your docs.
- Keyboard Shortcuts — Navigate and edit faster with handy shortcuts, perfect for rapid iteration.
SaaSpartout Score
7.1
/10
Editorial score from our review methodology — not user ratings.
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dbdiagram.io Pricing
dbdiagram.io pricing: from $9/mo.
For comparison: the median starting price in Developer Tools is $19.99/month, measured across 301 tools we track. See the full SaaS Pricing Index →
Free
$0 forever — Create up to 3 diagrams, each with up to 25 tables. Includes all basic features, 15 days of version history, and 6 published diagrams.
Pro
$9 per month (billed annually) or $15 per month monthly — Unlimited diagrams, each with up to 200 tables. Includes 15 days of version history, unlimited schema migrations, and 20 published diagrams.
Team
$50 per month (billed annually) or $75 per month monthly — Everything in Pro, plus unlimited shared diagrams, collaborative editing, 3+ team members, and 60 published diagrams.
All paid plans start with a 14-day free trial.
Frequently asked questions
Is dbdiagram.io free?
Yes, dbdiagram.io has a free plan that allows up to 3 diagrams with 25 tables each, which is perfect for small projects or learning.
How much does dbdiagram.io cost?
The Pro plan starts at $9 per month when billed annually, and the Team plan starts at $50 per month. All paid plans come with a 14-day free trial.
What is dbdiagram.io used for?
It's used for designing, visualizing, and documenting database schemas using a simple DSL. It helps developers and data teams create ER diagrams quickly and keep them in sync with code.
Who is dbdiagram.io best for?
It's best for individual developers, small teams, and data professionals who need a fast, simple way to create and share database diagrams. It's not ideal for enterprise-level data governance or huge, complex schemas due to table limits (200 on paid plans).
What are some alternatives to dbdiagram.io?
Popular alternatives include draw.io (free, general-purpose diagrams), Lucidchart (more features, pricier), and dedicated data modeling tools like Vertabelo or DataGrip. For code-first design, you might also use SchemaSpy or SQLAlchemy's schema diagram generator.
Can I import a database into dbdiagram.io?
Yes, on paid plans you can import SQL from MySQL or Postgres to automatically generate a diagram from an existing database.
