Need a web-based activity diagram editor for free?

Visual Paradigm Online Free Edition features a Free activity diagram editor that comes with a wealth of great features, UML examples and templates. It helps you create professional and impressive software design blueprints easily and quickly. Visual Paradigm Online is a great piece of UML software for people who want to jump in and design software without a whole lot of overhead.

Make an Activity Diagram

Create fantastic activity diagrams with powerful and intuitive tools

Free UML Tool

Create as many diagrams as you like. Output diagrams into images (PNG/JPG/GIF/SVG) or PDF. Simply free!

No limited number of diagrams and shapes
Non-restricted accessing period
No banner / advertisement

Draw Easily and Smartly

Easy-to-use online activity diagram tool that features:

Drag and drop shape creation
Auto adjusted connectors when moving shape
Click to replicate shape format
Reuse shapes from diagram to diagram
Hundreds of examples and templates

Features that Help

A full set of professional diagram tools are ready to support you in creating high quality activity 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 Model, ER Model, Organizational Chart, Floor Plan, Business Concept Diagram, ITIL
Can be upgraded to paid editions for more diagram types and features
Cross platform support: Windows, Mac, Linux. Also compatible with all web browsers
Easy to use: Create and connect shapes with drag and drop. Connectors are always attached 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
Build your own shape library to create diagrams with your own shapes.
Easily add text, notes, external images, web links to diagram
Print and export into different formats (PNG, JPG, SVG, GIF, PDF)
Hundreds of start-up diagram examples and diagram templates
Save your drawing in Google Drive
Visio drawing and stencil import

But don't take our word for it

Try it yourself. Just browse the Activity 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.