UML Diagram Tool Online
Create interactive flowcharts, mind maps, and node diagrams with custom shapes and precise cardinality notation. Free, fast, and runs 100% in your browser.
UML diagrams are the lingua franca of software design. ZamDev Flow provides the building blocks to create use case diagrams, activity diagrams, and basic class diagrams with customizable shapes and connectors. Use ellipses for use cases, rectangles for classes, diamonds for decision points, and connect them with labeled arrows. The AI builder can scaffold diagrams from natural language descriptions of your system architecture.
Feature Overview
| Feature | Details |
|---|---|
| Customizable shapes | 11 types |
| Labeled connectors | ✓ |
| Color coding | ✓ |
| Share links | ✓ |
| AI generation | ✓ |
Frequently Asked Questions
Can I create class diagrams?
Yes. Use rectangle shapes for classes with customizable labels, and connect them with typed arrows to represent associations, inheritance, and dependencies.
Does it support color coding?
Yes. Customize fill color, border color, and text color for each shape, with 12-color palettes for quick selection or custom hex values.
Can I share diagrams with my team?
Yes. Save diagrams to the cloud and share them with a public link that anyone can open.