Make software design more productive, rich and fun
Create UML diagrams, ER diagrams, flowcharts, and data flow diagrams to develop a clear understanding of your software design for yourself and your team.
You can easily draw a variety of diagrams to visualize complex systems and keep them consistent.
API and free plug-ins are also available to tailor Astah to fit your needs!
Make UML Diagrams Fast
Draw clean UML diagrams with ease.
You will be surprised at how easily and swiftly you can draw clean UML diagrams with Astah, including:
ER Diagrams for Data Modeling
You can create ERD (Entity-relationship diagrams) from scratch or auto-generate ER diagrams by importing tables from an existing database.
Easy to Learn, Easy to Use
Work quickly and efficiently with assist functions.
We’ve been incorporating user feedback for more than 10 years. The result is a powerful software program that is incredibly easy to use. Astah Pro offers a variety of “assist” functions to make your work faster, including:
More Diagram Support
Astah lets you create more varieties of diagram types including:
The big advantages of using a multi-diagramming tool such as Astah Professional are model conversion and relationships.
For example, you can create a mind map while gathering user requirements during a meeting, then convert the mind map into UML model elements such as actors and use cases by dragging and dropping to generate UML diagrams.
Additionally, adding hyperlinks to related models across diagrams can be done easily and is helpful in clarifying traceability.
Communicate with Precision
Customize your layout and design elements.
Astah Professional offers customization options that help you tailor your layout and design. This makes your working environment friendlier, and improves the clarity of communications.
Expressions include use case descriptions, alias names for models, font settings, customizable icons, mini icons, highlighter/marker pens, and free writing tools.
Export and import in various formats.
Export the diagrams you create in Astah Pro to various formats such as JPEG, PNG, SVG, and more
You can also copy and paste into Microsoft Office documents and print with customized settings.
Expand and Customize with API
Big library of plug-ins & integrations
You can customize Astah Professional with a vast library of plug-ins and integrations.
Plug-ins are available for code generation, reverse engineering, exporting, importing, state transitions, usability, and more.
In-App Script Editor
The Astah API enables you to obtain Astah model information, create and modify diagrams and models, and use them in application software.
In addition, you can directly access models using scripts via Script Editor with-in application.
Generate or Reverse Engineer Code
Collaborate with Team Members
Clean and Attractive Diagrams
Try Astah for Free
Our free trials are fully functional. Experience the power of Astah for yourself!
Evaluation, Installation, and Privacy FAQs
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Q: How do I evaluate Astah Professional?
To evaluate Astah Professional, start by downloading the software via the [Download Free Trial] button located on the page above.
During the download, you will be required to accept the Astah End User License Agreement (EULA), which can be reviewed here.
Installation instructions are available here. Upon launching Astah Professional for the first time, a free 20-day trial will automatically begin. We encourage you to explore all the functionalities available during this trial period.
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Q: Will Astah Professional make any changes to my system or browser settings?
No, Astah Professional will not make any changes to your system or browser settings without your explicit consent. We respect your preferences and ensure that any modifications are fully disclosed and agreed upon by you.
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Q: Does Astah Professional include the End User License Agreement?
Yes, our software includes the End User License Agreement, which you must accept before installation. You can review the Astah EULA here.
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Q: Does Astah Professional send any private information without my consent?
No, Astah Professional does not transmit any private information without your explicit consent. We prioritize your privacy and adhere strictly to privacy policies that ensure your data is protected.v
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Q: What happens when my evaluation period ends?
After the 20-day free trial period expires, Astah Professional will no longer function until a license is purchased.
To continue using the product, please visit our Pricing Information page for details on purchasing a license.
Should you choose not to continue using Astah Professional after the trial, uninstallation instructions are provided here.
For any further inquiries or assistance, feel free to contact us through our contact page.
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Q: Is it difficult to disable or uninstall Astah Professional?
No, disabling or uninstalling Astah Professional is straightforward and user-friendly. Detailed instructions for uninstallation can be found here.i
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Q: Does Astah Professional bundle other software or applications?
No, Astah Professional does not bundle any other software or applications without your understanding and consent. We ensure full transparency and do not include any additional software that is not explicitly part of Astah Professional.f
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Q: Are there any supporting documents for learning more about Astah Professional during my evaluation?
Absolutely. You can access our comprehensive online guide here.
On the right side of the page, you will find a menu that links to specific content such as the Keyboard Shortcut List, Release Notes, and FAQs. These resources will help you make the most of your evaluation period.eo