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SPECIFICTION
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ErdDocs

erddocs.com

Free plan Web
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Spec score 7.9 #16 of 27 in Database Documentation Tools

Spec sheet

Purpose
ErdDocs turns database schemas into interactive ER diagrams and printable data dictionaries.Read 8 Oct 2026 · erddocs.com
Integrations
The site describes format support and exports, including Mermaid diagrams for GitHub and DBML that opens in dbdiagram.io.Read 8 Oct 2026 · erddocs.com
Security
License keys are verified locally in the browser, so an unlocked tool continues to work offline.Read 8 Oct 2026 · erddocs.com
Privacy
Parsing and rendering run in the browser, and the schema is not uploaded.Read 8 Oct 2026 · erddocs.com
Support
Support is handled by one person at [email protected], with no service desk or response-time promise.Read 8 Oct 2026 · erddocs.com
Database connection
ErdDocs does not connect to a live database; users export and paste the schema themselves.Read 8 Oct 2026 · erddocs.com
Diagram behavior
Users can drag, focus, and hide tables, and share a diagram link.Read 8 Oct 2026 · erddocs.com
Exports
It exports PNG, SVG, Mermaid, DBML, PlantUML, SQL DDL, and a printable data dictionary.Read 8 Oct 2026 · erddocs.com
Format limitation
Django on_delete and default behavior are not drawn; only db_default is represented.Read 8 Oct 2026 · erddocs.com
Input formats
It reads PostgreSQL and MySQL dumps, Prisma, DBML, Mermaid, PlantUML, Django, SQLAlchemy, Sequelize, TypeORM, and Laravel migrations.Read 8 Oct 2026 · erddocs.com
Intended use
The site describes the data dictionary as useful for onboarding, audits, and client handover.Read 8 Oct 2026 · erddocs.com
Payment
Paddle processes orders as merchant of record, and ErdDocs says it does not see or store card details.Read 8 Oct 2026 · erddocs.com
Refunds
The pricing page states that purchases can be refunded within 14 days, no questions asked.Read 8 Oct 2026 · erddocs.com
Schema limit
The free tier draws up to 25 tables in full; larger schemas are parsed, with tables beyond the limit shown as locked placeholders.Read 8 Oct 2026 · erddocs.com

Plans and prices

Free Free Free Up to 25 tables drawn in full · dictionary preview for three tables · exports carry ErdDocs branding Read 8 Oct 2026 · erddocs.com
Lifetime license $9, paid once Paid once; no renewal Any schema size · complete printable data dictionary · unbranded exports · activate in any browser Read 8 Oct 2026 · erddocs.com

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