Free Astah Viewer
Share and Review Models Easily
Astah Viewer is a free, dedicated viewer that lets anyone open .asta files created with Astah Professional and Astah UML. It’s perfect for sharing models with teammates, clients, or stakeholders who don’t have an Astah license.
No need to install Astah Professional or UML – just send your model file and have them download Astah Viewer!
Viewer Capabilities
What can you do with the free Astah Viewer? Everything you need to review a project, including:
View diagrams
Search diagrams
Search models
View properties
Switch Notation (ERD and DFD)
Jump from structure tree to diagram
Alias view support
*Editing, saving, printing, and image export are not available.
Want to view SysML or Safety Models?
Astah Viewer does not support .axmz files created with Astah SysML or System Safety.
Please use the HTML Export Plugin to convert your models into web-browser-viewable HTML format.
Need More Than Viewing?
If you want to edit diagrams, or print them, upgrade to Astah UML!