ER Diagram Tool

CNET Editors' Rating:

Create ERD diagrams, data flow models, and other software diagrams in minutes.

Easier Software Design

SmartDraw helps you create entity relationship diagrams (ERD) with built-in templates and intuitive, but powerful tools. Pick any of the ER diagram templates included and customize it with your own information, drag and drop ERD symbols, and plan your design. SmartDraw's ERD diagram tool helps you keep shapes aligned and connected automatically. You get a great, professional-looking result every time.

ER diagram tool

Five reasons why SmartDraw is perfect for making ER diagram tool:

  • Automatic Formatting
    Click simple commands and SmartDraw builds your entity relationship diagram for you, automatically. Add or remove a shape, and SmartDraw realigns and arranges all the ERD elements so that everything looks great.
  • Quick-Start Templates
    Dozens of professionally-designed ERD examples and other software design diagrams make you instantly productive. Simply choose the entity relationship diagram that is most similar to your project, and customize it to suit your needs.
  • Free Support
    Have a question? Call or email us. SmartDraw experts are standing by ready to help, for free!
Entity relationship diagram templates

Effortless Collaboration

You and your team can work on the same er diagram using SmartDraw Cloud, or your favorite file sharing apps like Dropbox®, Google Drive or OneDrive®. You can also share files with non SmartDraw users by simply emailing them a link.

SmartDraw collaboration

Smart Integration

You can make ERD diagrams on your computer, browser or mobile device—Windows®, Mac®, Android®, iOS®, or any other platform with an internet connection. Whether you're in the office or on the go, you'll enjoy the full set of features, symbols, and high-quality output you get only with SmartDraw.

Once you're diagram is complete, export it as a PDF or insert it into any Office® application in one click. SmartDraw also works with popular services such as Dropbox®, Google Drive, and OneDrive®.

Export to Office

ER Diagram Examples

The main reasons more software developers choose SmartDraw is the breadth and depth of content included. This means lots of ERD templates and other software design diagrams to help you become more productive.

Spend more time coding and less time struggling to diagram. Let SmartDraw's ERD diagram tool make it easy.

Try SmartDraw Free

Discover why SmartDraw is the best ER diagram tool available.