Free online database schema design tool for ER diagrams and SQL generation
Pencil-style icons for the web, drawn by code
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free tier includes the open-source editor with all SQL dialects, import & export, and local diagram storage. drawDB Pro offers paid plans for Solo Pro and Team Pro with cloud storage, real-time collaboration, AI schema assistant, GitHub integration, and priority support.
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Key features
Entity-relationship diagram editor
SQL generation for PostgreSQL, MySQL, SQLite, MariaDB, SQL Server, and Oracle
DBML import and export
Real-time collaborative database design
Cloud storage and team workspaces
AI-assisted schema design
Schema reverse engineering from existing SQL
Version history and migration generation
Export to SQL, JSON, PNG, JPEG, SVG, and PDF
Keyboard shortcuts and customizable workspace
React components with customizable size, color, and stroke width
Pencil variant with adjustable grain texture from 0 to 1
Small bundle sizes: 0.5 KB gzipped per icon, 67 KB for all by name
Consistent rendering across server and client with no hydration mismatch
What makes it different
Free and open source with no account required to start designing
Supports all major SQL dialects in one tool
Self-hostable on your own infrastructure with Docker
Real-time team collaboration with shared cursors and presence
Same name always draws identically everywhere for consistency
Authentic pencil-style imperfections while maintaining legibility at small sizes
MIT licensed and free for personal and commercial use
drawDB
Matita