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.

Make an ERD

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

All-in-One

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

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.