The short version
dbdiagram.io is the original -- great for writing schemas in code (DBML), but no live database connection. DrawSQL is a paid desktop GUI with good auto-generation. dbdiagramr is free, runs in the browser, connects directly to Supabase/Neon/Railway, and generates diagrams from your live database in seconds.
Feature comparison
| Feature | dbdiagram.io | dbdiagramr | DrawSQL |
|---|---|---|---|
| Pricing | Free (1 diagram), $9/mo | Free (unlimited) | $8/mo individual |
| Live database connection | No | Yes (Supabase, Neon, Railway) | Yes (MySQL, Postgres) |
| DBML support | Yes (native) | No | No |
| Auto-generate from DB | No | Yes | Yes (desktop) |
| Supabase integration | No | Yes | No |
| Browser-based | Yes | Yes | No (desktop) |
| AI context (llms.txt) | No | Yes | No |
Which one should you use?
- Diagram an existing Supabase/Neon database: dbdiagramr
- Design a schema from scratch in code: dbdiagram.io
- Desktop GUI with export options: DrawSQL
- Free, unlimited diagrams: dbdiagramr
- Team collaboration: dbdiagram.io or DrawSQL
- AI context for your schema: dbdiagramr
FAQ
Can I import a dbdiagram.io diagram into dbdiagramr?
Not directly. Deploy your DBML schema to a database first, then connect dbdiagramr to it.
Does dbdiagramr support MySQL?
Not yet. PostgreSQL only. MySQL support is planned.
Is DrawSQL worth the money?
If you need a desktop GUI with exports and team collaboration, yes. If you just need to see your schema, dbdiagramr does it for free.