Want a free, web-based activity diagram creator?

Visual Paradigm Online is an impressive suite of lightweight diagramming tools that support a wide range of visualization needs. Its Free Edition includes a free online diagram editor that supports various diagrams like UML, ERD, Organization Chart, Floor Plan and more. Visual Paradigm Online features an intuitive UI and a wide range of powerful and easy-to-use diagramming tools, making software design easy without any learning needed.

Make an Activity Diagram

Create fantastic activity diagrams

It's Free

Draw as many activity diagrams as you like. Output your work as images (PNG/JPG/GIF/SVG) or PDF. Enjoy!

Unlimited number of diagrams and shapes
Unlimited period of access
No ads.

Diagram Quick

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

Drag-to-create shape
Well attached connectors (no separate apart)
Instant copying of shape format
Save shapes as pattern for reusability
Hundreds of diagram templates

All-in-One

A rich set of powerful features are there to support you in drawing awesome activity diagrams:

Precise positioning of shape with alignment guide
Embed external images, URLs and text in drawing
Foramt shapes and connectors
Rotatable shapes and labels
Group, align and distribute shapes
Auto. form shape from list of text

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.