The #1 tool for creating diagrams from code.

Fast Architect helps you create diagrams by using simple intuitive syntax whether you are a developer, an analyst or an architect.
Your IT architecture for all stakeholders
Sequence Diagrams

Depict the objects involved in the scenario and the sequence of messages exchanged between the objects needed to carry out the functionality of scenario.

Component Diagrams

Depict how components are wired together to form larger components or software systems. They are used to illustrate the structure of arbitrarily complex systems.

Entity Relationship Diagrams

Describe interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types and specifies relationships that can exist between entities.

And many others

Class diagrams, Deployment diagrams, Use case diagrams, Activity diagrams, State diagrams, and ArchiMate diagrams.


Architects, developers, and analysts creating diagrams


Diagrams created


Faster analysis and cleaner design

Complex technology? No problem. We got you covered.

Complext Diagram

Lightning-fast creating of diagrams. Updating diagrams even faster.

Creating of diagrams should be fast. Designs are iterative, and they change often. Changing the diagrams in Fast Architect is as easy as typing.

  • Easy diagram changes
  • Automatic layout of components in the diagram
  • Instant preview of your changes for iterative design
  • Ready for complex logic and flows

Revolutionizing the way you create diagrams!

See what you use and how you use it

Component Library

Build and document your technical landscape

Fast Architect automatically builds a library of components you are using in the diagrams.

  • Keep track of your technical landscape
  • Clean overview of what you used and how you used it
  • Reuse your components to keep track of all interactions
  • Track data lineage and dependencies

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Sequence diagrams
Component diagrams
Entity Relationship diagrams
Class diagrams
Deployment diagrams
Use case diagrams
Activity diagrams
State diagrams
ArchiMate diagrams
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Component library
Diagram history
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