Free Component Diagram Editor Online

A Free online UML diagram software to create professional UML drawings

Want a free, web-based component diagram creator?

Visual Paradigm Online Free Edition offers a free UML component diagram tool for personal uses. No matter you are a student or educator, you can start creating component diagrams with an online, flexible and simple UML software now! As an all-in-one diagramming solution, VP Online also supports ERD, org. charts and floor plan, for free! Advanced diagram types such as flowchart, ArchiMate, BPMN, mind map are all available in higher editions at very low cost.

Free Component Diagram Editor Online
Make a Component Diagram

Create fantastic component diagrams

It's Free

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

Simple & Fast

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

  • Drag and drop interface
  • Connectors attached (no separate apart)
  • Format Copier: Instant format copying
  • Keep a lib of shape patterns for reusability
  • Several hundreds of diagram templates

Be a Pro.

A range of powerful diagramming tools are there to support you in producing great component diagrams:

  • Alignment guide: Position shapes accurately
  • Embed your own image, URL and text
  • Shape and line formatting options
  • Rotatable shapes and text
  • Group, align and distribute shapes
  • Auto. create shape from item list

Key features and benefits

Key features and benefits
  • Unlimited period of access
  • Unlimited number of diagrams
  • Unlimited number of shapes
  • UML, ERD, Org Chart, Floor Plan Maker, Business Concept Diagram, ITIL
  • Can be upgraded to paid editions for more diagram types and features
  • Multi-platform support: Windows, Mac, Linux. Also compatible with all web browsers
  • Easy to use: Create and connect shapes with drag and drop. Connectors will snap 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
  • Draw your own diagrams with your own shapes.
  • Visio drawing and stencil import
  • Easily embed text, external images and web links to diagram
  • Print, export and share your work in different formats (PNG, JPG, SVG, GIF, PDF)
  • Get start quickly with hundreds of diagram examples and diagram templates
  • Google Drive Integration

But don't take our word for it

Try it yourself. Just browse the Component 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.

Component Diagram Example: Ticket Selling System

Open Diagram

Component Diagram Example: Ticket Selling SystemOpen Diagram

Component Diagram Example: Web Store

Open Diagram

Component Diagram Example: Web StoreOpen Diagram

Component Diagram Example: Securities Trading

Open Diagram

Component Diagram Example: Securities TradingOpen Diagram

Component Diagram Example: Store Component

Open Diagram

Component Diagram Example: Store ComponentOpen Diagram

Component Diagram Example: Order Processing System

Open Diagram

Component Diagram Example: Order Processing SystemOpen Diagram

Other Solutions

Start Drawing Your Free Diagram Today

No limitations, no obligations, no cancellation fees.


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