Software Architecture Diagram

Create professional software architecture diagrams with drag-and-drop simplicity

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About This Tool

This free online software architecture diagram tool provides a complete environment for designing system architectures. With an intuitive drag-and-drop interface, you can create detailed diagrams using pre-built components like servers, databases, APIs, and microservices. Connect elements with smart connectors, customize properties, and export your diagrams as PNG or SVG files. Perfect for developers, architects, and teams to visualize system designs without any installation required.

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How to Use

Drag shapes from the palette onto the canvas
Connect shapes by dragging from connection points
Select any element to edit its properties
Use the toolbar to zoom, undo/redo, or clear
Export your diagram as PNG or SVG
Save your work locally using the download button

Frequently Asked Questions

Find Quick Answers

Is this tool really free?

Yes, this software architecture diagram tool is completely free to use with no registration required.

What file formats can I export to?

You can export your diagrams as PNG images or SVG vector files for high-quality printing and editing.

Can I save my diagrams to continue later?

Yes, you can download your diagram as a JSON file and upload it later to continue editing where you left off.

What types of architecture components are available?

The tool includes servers, databases, APIs, microservices, load balancers, firewalls, clients, and generic containers.

Does this work on mobile devices?

Yes, the tool is fully responsive and works on tablets and larger smartphones, though a desktop provides the best experience.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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