Finding a free, web-based ER diagram software?

Visual Paradigm Online is a top-rated diagramming tool. Its ERD tool incorporates an intuitive drag-and-drop interface that allows you to create professional database design quickly and easily. Visual Paradigm Online also offers hundreds of diagram examples and templates for you to create your own diagrams in quick. The Free Edition of Visual Paradigm Online is free for non commercial use and support not only ERD but also UML tool and Organization Chart designer.

Make an ERD

Create fantastic ERDs with powerful and intuitive tools

Real Free Software

Start drawing ER diagrams free!

Unlimited no. of diagrams and shapes
No ads

Simple & Fast

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 Diagrammer

Access to ERD diagram tool, UML tool, Organizational Chart maker, Floor Plan tool, Business Concept Map tool and ITIL design tool. Want more diagrams? You can upgrade to a paid edition to enjoy Flowchart, BPMN, ArchiMate, Mind Map, DFD, Rack Diagram, SWOT, Value Chain in highly affordable cost.

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.