Free UML Drawing Tool

A Free online UML diagram software to create professional UML drawings

Need a Free UML Drawing Tool?

Visual Paradigm Online Express Edition is a free, easy-to-use UML tool with tons of diagramming features to let you create UML diagrams quickly online. The UML tool is free for non commercial purposes. You can draw UML diagrams entirely with drag-and-drop. You can add your own images into your drawings. When you are done you can save your drawing into Google Drive or in the cloud repository provided of VP Online. VP Online Express Edition is a great way to discover if a handy UML diagramming solution is what you are looking for.


Drawing professional class diagrams quickly and freely

Absolutely Free

Draw free UML diagrams for personal purposes:

  • Unlimited no. of diagrams and shapes
  • Won't expire

Draw Faster & Better

Create professional UML diagrams in a snap. Our online UML tool features:

  • Drag to create and connect shapes
  • Well attached connectors (no separate apart)
  • Replicate shape format in one click
  • Reuse shapes in diagrams
  • Hundreds of diagram examples & templates

Be a UML Pro.

A range of powerful diagramming tools are there to support you in producing great UML diagrams:

  • Accurate shape positioning with alignment guide
  • Include external images, URLs and text in diagrams
  • Wide range of formatting options
  • Easily rotatable shapes
  • Group, align and distribute shapes
  • Build an item list for instant shape formation


Key features and benefits

Key features and benefits
  • Unlimited period of access
  • Unlimited number of diagrams
  • Unlimited number of shapes
  • UML Tool, ERD editor, Org. Chart editor, Floor Plan tool, ITIL, Business Concept Diagram
  • Can be upgraded to paid editions for more diagram types and features
  • Cross-platform: Windows, Mac, Linux. Compatible with all web browsers
  • Easy to use: Create and connect shapes with drag and drop. Connectors are sticked to shapes and never separate apart.
  • Apply different formatting options (shape and lines, solid and gradient paint), 40+ connector types, RTF caption, font options, shadow effect, etc
  • Draw your own diagrams with your own shapes.
  • Visio drawing and stencil import
  • Print, export and share your work in different formats (PNG, JPG, SVG, GIF, PDF)
  • Get start quickly with hundreds of diagram examples and diagram templates
  • Google Drive integration
  • Easily embed text, external images and web links to diagram

But don't take our word for it

Try it yourself. Just browse the UML Diagram examples below and click Open Diagram to open and edit. You will see for yourself that it is everything we say it is, or perhaps more.

Start Drawing Your Free Diagram Today

No limitations, no obligations, no cancellation fees.


Get Started

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