Free Web Based ERD Tool

Feature-rich free diagram tool. Create ERD diagrams on the web

Want a free, web-based ER diagram maker?

Visual Paradigm Online is a web-based diagramming software dedicated to fast creation of professional technical and business drawing. Its free database design tool lets you create database blueprint easily through drag-and-drop. The Free Edition is free for non commercial use and supports not only ERD but also a UML tool and Org. Chart maker.

Create professional ERD easily and effortlessly

It's Free

The free online ERD tool is truly free for personal use:

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

Just create as many drawings as you like. Output your work into PNG/JPG/GIF/SVG/PDF. Simply free!

Fast Diagramming

Create brilliant online ER diagrams with our intuitive online diagram editor. Highlighted features:

  • Drag and drop shape creation
  • Well attached connectors (no separate apart)
  • Several hundreds of diagram templates


We support an array of popular digram types such as ER diagrams, UML diagrams, Org. 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
  • ERD, UML Tool, Organization Chart Maker, Floor Plan Designer, Business Concept Diagram, ITIL
  • Can be upgraded to paid editions for more diagram types and features
  • Cross-platform (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 drawing an ERD yourself. Just browse the ERD 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.

ERD Example: Movie Rental

Open Diagram

ERD Example: Movie RentalOpen Diagram

ERD Example: Online Photo Album

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ERD Example: Online Photo AlbumOpen Diagram

ERD Example: Simple Order System

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ERD Example: Simple Order SystemOpen Diagram

ERD Example: MIS

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ERD Example: MISOpen Diagram

ERD Example: Online Bookstore

Open Diagram

ERD Example: Online BookstoreOpen Diagram

ERD Example: Inventory System

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ERD Example: Inventory SystemOpen Diagram

ERD Example: College

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ERD Example: CollegeOpen Diagram

Start Drawing Your Free Diagram Today

No limitations, no obligations, no cancellation fees.

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