dbdiagram by Holistics

Design database relationship diagrams by writing code — a free tool for developers and data analysts.

Verified Free tier ~8.8k monthly visits
Quick facts
What is it Design database relationship diagrams by writing code — a free tool for developers and data analysts.
Pricing Freemium — from $14/mo
Free tier Yes
Platform Web Application
Best for designing database schemas, documenting database structures
Domain registered 2018

Data updated Aug. 1, 2026

What does dbdiagram by Holistics do?

dbdiagram by Holistics is a specialized tool that lets you create entity-relationship diagrams through code rather than drag-and-drop interfaces. You write database schema definitions using DBML (Database Markup Language), and the tool instantly generates clean, professional diagrams. This approach keeps developers in their natural coding workflow while producing visual documentation that's essential for understanding database structures.

The tool stands out with its real-time collaboration features, allowing entire teams to work on diagrams simultaneously like Google Docs. It includes an AI assistant that can generate database schemas from plain English descriptions, making it accessible for both technical and non-technical team members. Additional practical features include SQL import/export capabilities, version history tracking, and flexible export options to PDF, PNG, or embeddable formats for documentation.

Database administrators, software developers, and data analysts benefit most from dbdiagram by Holistics, particularly when working on complex database projects that require clear documentation and team alignment. It's ideal for designing new database schemas, documenting existing systems, or collaborating with stakeholders on data architecture decisions. The tool has been adopted by major organizations across various sectors for its efficiency in turning code into clear visual representations.

#code-to-diagram#collaboration#database design#data modeling#developer tools#er diagram#sql-tools#visualization

Key features

What makes it stand out
01
Write code to generate visual ER diagrams instantly
02
Real-time collaboration for team-based database design
03
AI assistant to create diagrams from plain language descriptions
04
Import from SQL databases and generate SQL statements
05
Export to images, PDFs, and embed in documentation

Who is dbdiagram by Holistics for?

Who benefits most from this tool
designing database schemas
documenting database structures
collaborating on data models

Pricing

Free tier available — start without a credit card

Free

Free
  • 10 diagrams
  • 1 diagram views
  • SQL Import & Export
  • Up to 10 diagrams
  • 1 Diagram View
  • Public & Embedded diagrams
  • Export to PDF/PNG/SVG

Personal Pro

$14.0/month
$8.0/month billed yearly

Everything in Free, plus:

  • Unlimited Diagrams & Tables
  • Unlimited Diagram Views
  • AI Assistant
  • Protected & Private Diagrams
  • Limited Collaboration
  • Header Color & Table Group
  • Diagram Detail Levels
  • Version History
  • Sticky Notes

Team

$100.0/month
$75.0/month billed yearly

Everything in Personal Pro, plus:

  • 5 additional license price per user
  • Collaborative Workspace
  • Public API
  • Team Management & Collaboration
  • Unified Admin and Billing
  • 3 Free User Licenses

Custom Plan

Custom

Everything in Team, plus:

  • Prioritized feature request
  • Procurement or legal review
  • Custom payment terms
  • SAML SSO
  • User Activity Log
  • IP Allow List

Trust & presence

Domain Domain registered 2018

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