ERD Designer
5.9#25 in database design toolsFree planFree planWebExtension
VisitERD Designer vs Schemity
What both publish
| Fact | ERD Designer | Schemity |
|---|---|---|
| Database support | It generates DDL for PostgreSQL, MySQL, MariaDB, MS SQL Server, SQLite, BigQuery, and Snowflake. | The site lists PostgreSQL, Supabase, MySQL, MariaDB, SQL Server, and SQLite as supported databases. |
| Local storage | The browser version stores design data locally in the browser using IndexedDB. | Schemity stores work as plain JSON files on the user's machine, which can be version-controlled with Git. |
ERD Designer plans
- FreeFree
Schemity plans
- LiteFree
- Education licenseFree
- Free trialFree
- EducationFree
- Schemity LiteFree
- Updates renewal$29 a year
Pick ERD Designer if…
It suits developers and database designers who want to draw schemas, import or generate DDL, and export diagrams or table specifications. The browser version may suit users who want to start without an account or installation.
Pick Schemity if…
Schemity suits software engineers who want to design database schemas and review proposed changes before applying migrations. Its local MCP server may be useful to people working with the listed MCP-compatible tools.