Free Online Diagram Maker

State-of-the-art online diagram maker for all people

Finding a free online diagram maker?

Visual Paradigm Online is one of the best and top rated diagramming software. Available in both free and paid versions, Visual Paradigm Online can be used for a wide range of drawing applications such as process mapping, system design, software design, enterprise architecture design. The Free Edition of VP Online is free for non commercial use and support UML, ER Diagram, Organization Chart and more.

Class diagram example

Easily draw beautiful diagrams

It's Free

For self-learning, doing homework and all sorts of personal uses. For Free!

  • Unlimited no. of diagrams and shapes
  • Won't expire

Diagramming Fast

Create professional diagrams in a snap. Our online drawing tool features:

  • Drag-to-create shape
  • Well attached connectors (no separate apart)
  • Draw with your own shapes
  • Hundreds of diagram templates


We support an array of popular digram types such as UML diagrams, ER diagrams, Organization Chart, Floor Plan, Business Concept Diagram and ITIL, and with more diagram types are avaialble in paid editions, such as Flowchart, ArchiMate, Mind Map, GCP and more.

Key features and benefits

Key features and benefits
  • Unlimited period of access
  • Unlimited number of diagrams
  • Unlimited number of shapes
  • UML Tool, ERD Tool, Organization Chart Maker, Floor Plan Designer, Business Concept Diagram, ITIL
  • Can be upgraded to paid editions for more diagram types and features
  • Works on all OS (Windows, Mac, Linux) and 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 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.

Start Drawing Your Free Diagram Today

No limitations, no obligations, no cancellation fees.

Get Started