DotUML available in free or professional version

Subscribe to DotUML Professional to access specialized diagrams*1 like Archimate, Mind map... Your contribution allows us to maintain existing diagrams and supports us in the development of new features.

DotUML is and will always be free of charge for UML diagrams and Graphviz.

Diagrams Free PRO
  Use case done done
  Sequence done done
  Class done done
  State done done
  Deployment done done
  Graphviz done done
  Archimate done
  Mind map done
No "Power by" watermark done
Free updates done done
DotUML PRO Annual Subscription
per user/year (Tax incl.)
30 days free trial (no credit card required!)
Please login to start your trial period or view your current subscription status.
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One DotUML subscription for all :

The DotUML Add-ins are securely integrated with Microsoft Office and Google Workspace, all data (code and result) are saved into your documents, and no data is send to external servers.
  • The code runs on your local computer, no call to web services is required
  • All data are saved into your documents, the code is saved in the "Alt text" attribute of the generated image
  • Only the subscription status is stored on your servers

Volume discount

We offer group licences for bussinesses and special pricing for education/university.

For more information regarding volume discount, please contact us at

*1) Only specialized diagrams require a PRO subscription, UML diagrams are and will always be available free of charge.
*2) DotUML uses modern javascript technologies, so it is not compatible with old versions of Word and PowerPoint.
     DotUML is compatible on Windows and Mac with versions : Word & PowerPoint 2019 or later, Office 365 and on the Web.