Design ER diagrams with confidence — all processing and rendering happen directly in your browser for total security, speed, and full control. Ideal for teams who prioritize privacy and data protection.
All diagrams are 100% private. No signup, no tracking — ever.
The entire tool runs in your browser. After the first load, it works fully offline.
Database schemas are highly sensitive. Keep them fully offline for compliance and security.
Your diagrams never leave your device. No servers, no uploads.
Create SQL statements for your tables instantly.
Generate clean, presentation-ready diagrams to communicate your schema clearly.
Harness the power of open-source languages like ERDL and DBML to describe your schema. These community-supported formats make it easy to create, maintain, and share complex diagrams.
| Feature | dbdiagram.io | Databasediagram.com |
|---|---|---|
| Monthly subscription required | ✔️ | 💰 One-time perpetual license |
| Works Offline | ❌ | ✔️ |
| Private diagrams on free plan | ❌ | ✔️ |
| No signup required to export | ❌ | ✔️ |
| Fully local processing & rendering | ❌ | ✔️ |
| DBML support | ✔️ | ✔️ |
| ERDL support | ❌ | ✔️ |
| Instant preview & sharing | ✔️ | ✔️ |
