RelateDB

Design database schemas offline, sync with your team, connect live databases

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Added Jul 2026

relatedb.com

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What is Relatedb?

RelateDB is a browser-based ERD studio for modeling database schemas visually, with offline-first capabilities powered by IndexedDB. Users can design tables, columns, and relationships without internet, import/export SQL and DBML, and upgrade to Pro for cloud sync, team collaboration, and live database connections. It's designed for developers, database architects, and teams who need a fast, lightweight schema design tool.

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Key Features of Relatedb

Visual ERD canvas with drag-and-drop
Offline-first with IndexedDB storage
Import SQL/DBML schemas
Export SQL for Postgres/MySQL and DBML
Auto-layout with ELK-based packing
Version history and snapshots
Cloud sync across devices (Pro)
Team collaboration with editors/viewers (Pro)
Live database connection for PostgreSQL/MySQL (Pro)
Export to PNG/JPG/SVG
Read-only share links
Migration SQL generation
Workspace backups

Who Should Use Relatedb?

Design database schemas from scratch for new projects

Visualize and refactor existing database schemas

Collaborate on schema design with team members

Generate migration SQL between schema versions

Document database structure with visual diagrams

Import and organize legacy SQL schemas

Relatedb: Pros & Cons

✓Pros

Completely free for unlimited local projects
Works offline with no internet required
Fast visual canvas for modeling
Auto-layout keeps diagrams organized
Version history with snapshots for tracking changes
Easy import/export of SQL and DBML
No setup required to get started
Team collaboration available with Pro

✕Cons

Collaboration and cloud sync require Pro subscription
Live database connections limited to PostgreSQL and MySQL only

Frequently Asked Questions about Relatedb

Does RelateDB work without internet?

Yes, RelateDB is offline-first and uses IndexedDB-backed storage to persist your work locally. You can refresh, reopen, and continue working without any servers.

Can I import my existing database schema?

Yes, you can import SQL CREATE TABLE statements or DBML format, then refine them visually. Pro users can also connect directly to live PostgreSQL or MySQL databases to import schemas automatically.

How do I share my schema with my team?

With Pro, you can invite teammates by email as editors or viewers per workspace. You can also export a read-only share link for reviews without requiring Pro.

What formats can I export to?

You can export SQL for Postgres/MySQL, DBML format, diagram images (PNG/JPG/SVG), workspace backups (.relatedb.json), and migration SQL between versions.