Need a Free UML Drawing Tool?

Visual Paradigm Online Free 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 Free Edition is a great way to discover if a handy UML diagramming solution is what you are looking for.

Open the Diagram Editor

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

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 will snap 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.