ER Diagram Tool

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

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

  • Choose from 120+ templates
  • Drag and drop shapes, lines, and images
  • View and edit Visio files with a Mac or PC
  • Easily share and collaborate

Over 11,000,000 users

trust Lucidchart to keep them on
the same page

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"Less expensive than alternatives, you can make very professional process maps and charts using it, easy to use, good customer support."

—Diana B

"Where do I start? Price is great. Functionality is great. Company is great. Overall system is awesome and evolving."

—Jonathan M

"Lucidchart is a great app for creating diagrams and flowcharts. It also allows multiple users to work on the same chart at the same time."

—Eric S

"It's simple and intuitive; very easy to use quickly. It doesn't require you to choose lots of options or fiddle around to get things to look good."

—Elizabeth B

"I really enjoy using this program for collaborative projects. The ability for everyone to collaborate in a single space is great."

—David H

"What I like the most about Lucidchart is that it 's easy to use and helps me bring visualization to my work with other teams."

—Kimberly V

"Whenever our sales team needs to mock up something we use LucidChart. The ease of exporting to a pdf is really helpful when it comes to sharing with our team."

—Allyssa C

"You don't have to know what you're doing before you start. It's easy to adjust and move items int he chart."

—Brett F

"Has plenty of objects and templates. Very responsive, easy to use. Professional look. It supports real time collaborative editing. Impressive outcome."

—Simon G

"This is a very intuitive application for flow charting. I think it is much easier to use and has a better end product than Microsoft Visio"

—Aubrey B

Capterra Logo 4.5 Stars

586 reviews

ERD Shape Library

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

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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.

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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.

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Drag and Drop

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.

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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 G Suite, so you can quickly open the application from your Google environment. Take advantage of the integrations with Jira Software 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.
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