How do I feel now diagram

Draw UML diagrams online with an easy-to-use online UML tool

Easily draw UML diagrams with an online UML software that features powerful UML diagramming tools, on-the-fly UML syntax checks and a neat user interface. Visual Paradigm Online supports UML diagrams like Class, Use Case, Sequence, Activity, Deployment, Component, State Machine and Package Diagram.

Almost UML diagram

Draw UML diagrams effortlessly with intuitive web UML tools. We provide everything you need to draw UML quickly without sacrificing the quality and integrity of your work.

  • Inline editing of shape name (e.g. Use Case) and members (e.g. Attribute)
  • Fast creation of forms with a resource catalog
  • Group shapes and move them together
  • 1-Click-to-align and distribute shapes
  • Drag-and-drop sequence message creation

Inline editing of class members

Class members are selectable and editable compartments managed within a class shape, not free text labels.s

Easy to use sequence diagram editor

Sequence diagram are constructed with specialized UML shapes instead of primitive shapes like rectangles and arrows.

Re-use shapes in other diagrams

Keep commonly-used shapes in palette and reuse them in other diagrams. This not only saves your time from re-working, but also makes your design consistent.

Mixed use of notations

Leverage the power of UML diagramming, convey the right messages with the mixed use of notations beyond standards. You can incorporate any kind of notations into any diagrams, regardless of their standards. You can, for instance, put an UML action next to a use case, an ArchiMate work package next to UML nodes, and so forth.

Design with your own shapes

Create a palette of your own shapes and use them in your design.

Much more than UML software

  • Technical diagrams: UML, ERD, DFDPERT, network diagram, cabling, PFD, P&ID and more
  • Business Diagrams: ArchiMate, BPMN, SWOT, Value Chain, Value Stream Mapping, Org.diagram and more
  • Cloud architecture design tool: AWS, Azure, Google Cloud, IBM, Oracle, Alibaba, Tencent
  • Powerful flowchart, infographic, floor plan, mind map and Venn diagram tool
  • Process Map Designer Templates: Customer Journey Mapping, Competitor Analysis, Main Cause, etc.

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