A free, offline-first, browser-based database schema designer with Pro collaboration features.
Product memo
RelateDB offers a free, offline-first, browser-based ERD studio for developers. It allows visual modeling of tables and relationships, with import/export capabilities for SQL and DBML. The Pro tier adds essential cloud sync and team collaboration features, enabling direct cross-device work and shared project access without complex setup.
For who
Developers designing database schemas
Solves what
Visual database schema design, even offline, with collaboration features
- Offline-first browser-based design
- Visual ERD modeling
- SQL/DBML import and export
In their own words
Design database schemas visually — even offline.
RelateDB is a browser-based ERD studio for modeling tables, columns, and relationships. Everything is free and unlimited locally. Upgrade to Pro to sync across devices and collaborate with your team.
Commercial cues
Model
free only
Free tier
No
Trial
No
Pricing Strategy
RelateDB offers a free tier; paid plan details are not publicly priced.
- • Generous free tier removes local usage friction
- • Pro tier adds essential team collaboration features
- • Visible limits define plan boundaries.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
Jan 2026
Platform
Web app
Audience
Developers
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About RelateDB Expand
RelateDB provides a specific, yet accessible, database schema design tool that runs directly in your browser, even offline. It empowers developers to visually model tables, columns, and relationships, supporting imports from SQL or DBML and exports to various formats including SQL for Postgres/MySQL.
The core offering is entirely free for unlimited local projects, emphasizing ease of use and immediate access without account creation. For teams needing to sync work across devices or collaborate in real-time, RelateDB Pro offers cloud synchronization and invite-based editing capabilities, simplifying the workflow from initial idea to final schema export.