Homediagramminger diagram

An intuitive ER diagram tool for visualizing entity relationships

Link and understand the different elements of your database and show how they interact with an ER diagram tool. Reduce complexity and visualize how your system entities connect and overlap, bringing agility to teams.

An image showing Miro's ER diagram tool for creating entity relationship diagrams

Over 60M users love Miro

An effective ER diagram tool for teams

Miro’s entity relationship diagram maker helps you to bring together different aspects of your systems, showing how different agents relate to one another. It’s the perfect tool to see how product, development, and business relationships take place within IT systems.

A landscape image of Miro's ER diagram tool showing the user interface

Why Miro is the best ER diagram tool

Quick and easy diagramming

With the Mermaid app integration, draw an ER diagram online in minutes. Select the app and create an ERD directly from your code or text. Save time and effort when mapping your systems relationships and quickly understand how people, objects, places, and concepts are connected.

All you need in one shared space

Don’t waste time looking for information in different places and tools. Use our ERD creator to have a great overview of your system and a starting point for your database design improvements. With Miro's infinite canvas, draw concepts and solutions all in one place, keeping everyone in the loop.

No more back and forth

Say goodbye to context switching with Miro’s built-in ER diagram maker. Draw an ER diagram online without any friction, fetching your system information directly from your code. Collaborate with others by inviting them to your board, and have more time to discuss things that matter.

Iterate to innovate

Tag team members on the board to get instant feedback as you create your ER diagram. Miro’s collaborative features allow you and your team to iterate faster, accelerating your system mapping process.

Related templates

Understand how the elements of your database interact with each other.

Improve internal processes and better lead development teams.

Gain a better understanding of your current systems and build new ones.

Plan object-oriented systems in a joint workspace that fosters collaboration and innovation.

Understand how external entities affect your system at a high level with a context diagram.

Map out any process with ease.

How to create an ER diagram with Miro

An image showing how to create an ER diagram in Miro

1

Set up your Miro board

Create a new Miro board and open the ER diagram template. Alternatively, open the Mermaid app to build an ER diagram from code.

2

Visualize entities

Identify your system entities and add them to the template by double-clicking on the text boxes. Using the Mermaid app? Select ‘ER diagram’ from the samples list and edit the code.

3

Visualize relationships

Use the connection lines in the template to show relationships between entities. Rearrange, duplicate, or remove them as needed. Similarly, edit the code in the Mermaid app as needed.

4

Share your work

Ready to share your ER diagram? Invite others to view and comment on your Miro board — or export your diagram and share the file with teammates.

An image showing how to create an ER diagram in Miro

Integrated with your favorite tools

Ideas, inspiration, and intel in full view. Visualize marketing campaigns and client and prospect info to take action, and track tasks and status updates for the team.

Connect Miro to 1OO+ of your favorite collaboration tools

Explore Miro Marketplace

View apps

Loved by many teams

Customer stories

“Miro helps solve one of the major gaps in product design: how to manage tasks across product designers whose projects are in different tools.”

Jane Ashley

Head of Design at DocuSign

ER Diagram Tool FAQs

An ER diagram helps teams to better understand systems and visualize relationships between entities within these systems. If you want to show the relationships between product, development, and business processes in one place, create an entity relationship diagram.

Other Miro solutions

Diagramming

Miro’s all-in-one diagram maker removes the hassle of switching between diagramming and collaboration tools while helping you check off all the essential steps of your diagramming process.

UML diagram tool

Visualize, build, and document software systems and processes with a UML diagram. Design and communicate technical plans with a unified language that everyone understands.

Data flow diagram tool

Map data flows and model processes with Miro’s automated data flow diagram tool. Streamline workflows, gain insights, and lead development teams more efficiently.

Get on board in seconds

Join thousands of teams using Miro to do their best work yet.