Free online UML activity diagram solution here!

As a top-rated diagramming tool, Visual Paradigm Online incorporates an intuitive drag-and-drop activity diagram editor that allows you to create professional software design quickly and easily. Visual Paradigm Online also offers hundreds of diagram templates and templates for you to create your own UML diagrams in quick. The Free Edition of Visual Paradigm Online is free for non commercial use and support UML, ERD, Org. Chart and Floor Plan maker.

Make an Activity Diagram

Everything you need to create amazing activity diagrams

Free UML Editor

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
No expiry date
Ad free

Simple & Fast

Create professional activity diagrams with our intuitive online UML tool. Some of the editing 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

Feature-Rich

Draw better UML diagrams with the use of powerful editing tools. Here are some of the editing features to support you in creating brilliant activity diagrams:

Position shape precisely with alignment guide
Include your own images, URL and text in diagrams
Full set of shape and line format options
Rotatable shapes
Group, align and distribute tools
Auto. form shape from text list

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.