Free UML Drawing Software

State-of-the-art online UML maker for all software teams

Finding a Free UML Drawing Software?

No one wants to waste time learning complicated software tools. Visual Paradigm Online is definitely the most intuitive, not to mention powerful, easy-to-use UML diagram tool among all. If you want to create UML diagrams in quick, you've come to the right place. With Visual Paradigm Online, diagrams can be drawn with drag-and-drops. The Express Edition of VP Online is free and lets you access not only UML tool but also ERD tool and Organization Maker, for non commercial use. You can draw unlimited number of diagrams and shapes and output them into images.


Easily draw beautiful class diagrams

It's Free

Free UML tool for personal use:

  • No limited number of diagrams and shapes
  • Non-restricted accessing period
  • No ad

Draw Easily and Smartly

Online drawing can be easy and fun. Here are some of the UML editing features included in our intuitive UML diagram tool:

  • Drag and drop interface
  • Connectors attached (no separate apart)
  • Format Copier: Instant format copying
  • Keep a lib of shape patterns for reusability
  • Several hundreds of diagram templates

High-Quality Design

A full set of diagram editing features is available for you to draw the diagram you need.

  • Precise shape positioning with alignment guide
  • Insert your own image, URL and text
  • Range of shape and line format options
  • Rotatable shapes and captions
  • Group, align and distribute shapes
  • Auto shape formation from item list


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

We use cookies to offer you a better experience. By visiting our website, you agree to the use of cookies as described in our Cookie Policy.

OK