Activity Diagram Tool

Draw UML diagrams for free, on your web browser

Need a free online UML activity diagram software?

Visual Paradigm Online Free Edition is available for creating stunning UML Diagrams. As a web-based UML activity diagram tool, it is cross platform and can work very well on Windows, Mac OS, and Linux. The UML software comes with an intuitive interface that supports diagramming entirely with drag-and-drop. Although it's free, you can create unlimited diagrams and output diagrams as images. Try now! No registration required.

Activity Diagram Tool
Make an Activity Diagram

Create professional activity diagram easily and effortlessly

Free Diagram Software

Free activity diagram software ready for non commercial uses!

  • No limited number of diagrams and shapes
  • No limited period of access
  • No ads

Fast Diagramming

Create brilliant online activity diagrams with our intuitive online UML editor. Highlighted features:

  • Drag and drop diagram editor
  • Sticky connectors' end points
  • Instant replication of shape format
  • Keep patterns of shape as template
  • Rich set of diagram templates

High-Quality Design

An array of powerful diagram tools are there to support you in creating stunning activity diagrams:

  • 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 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.

Activity Diagram Example: Product Delivery

Open Diagram

Activity Diagram Example: Product DeliveryOpen Diagram

Activity Diagram Example: Order Processing

Open Diagram

Activity Diagram Example: Order ProcessingOpen Diagram

Activity Diagram Example: ATM

Open Diagram

Activity Diagram Example: ATMOpen Diagram

Activity Diagram Example: Completing Assignment

Open Diagram

Activity Diagram Example: Completing AssignmentOpen Diagram

Activity Diagram Example: Article Submission

Open Diagram

Activity Diagram Example: Article SubmissionOpen Diagram

Other Solutions

Start Drawing Your Free Diagram Today

No limitations, no obligations, no cancellation fees.


Get Started