Free ER Diagram Tool

Lucidchart's ERD tool makes database modeling fast, efficient, and collaborative. Start from scratch or with a template to easily draw ER diagrams online.

ERD Shape Library

ER diagrams

We have all the shapes you’ll need to make a professional, industry-standard ERD. When you use Lucidchart's ER diagram software, your finished work will look just as it should.

ER diagrams and more

Lucidchart is perfect for creating ERDs, and its wide range of functions allows you to create dozens of other diagrams as well. Use it to build network and UML diagrams, flowcharts, mockups, and more.


Real-time collaboration

You can collaborate instantly with Lucidchart. With in-editor chatting and commenting, each member of your team will be on the same page. Plus, your documents are stored safely in the cloud and available whenever you need them.

Ease of use

Some ER diagram generators are clunky and hard to use. With Lucidchart, simply open the ER diagram library to begin dragging and dropping shapes. Lucidchart gives you simplicity without skimping on the power.

Feature Highlights

You can start making your ERD now with Lucidchart. We make diagramming intuitive and fun.

Drag and drop


When you open a new document in Lucidchart, you have instant access to a dynamic toolbox. Our clean, inviting interface takes the complexity out of diagramming. In just minutes you’ll have a professional ERD that’s ready to share.

Visio Import and Export

Visio import/export

If you need to import some of your old files or collaborate with a co-worker who’s using Microsoft Visio, use Lucidchart’s import and export functions to put everything in the right place. We do the work for you!

Google Drive

Fully integrated

Lucidchart is fully integrated with Google Apps, so you can quickly open the application from your Google environment. Take advantage of the integrations with JIRA and Confluence to streamline your workflows.

Share via print or digital

Publish and share

Our users agree: it’s easy to make a great-looking diagram in Lucidchart. We also make it simple to showcase your work. Download to standard file formats or embed your ERDs in any HTML webpage.

Over 5,000,000 users

trust Lucidchart to keep them on the same page.

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