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 Free Edition of VP Online is free and lets you access not only UML tool but also ERD tool and Organization Chart Maker, for non commercial use. You can draw unlimited number of diagrams and shapes and output them into images.

Open the Diagram Editor

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

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.