UML Editor


UML Editor

Create UML diagrams from a blank ArchUML model. This editor supports class, sequence, state machine, component, deployment, use case, and activity diagrams.

ArchUML source editor

Edit ArchUML source. Changes render in the diagram preview.

Diagram preview

Preview updates as you edit ArchUML. In visual edit mode, Tab reaches diagram items; Enter selects an item; arrow keys nudge selected elements; Delete removes selected items.


Need syntax help? The full ArchUML syntax reference with live rendered examples is available on a dedicated page.
Open Syntax Reference ↗