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Free Online ER Diagram Tool for Team

Create professional ER diagrams effortlessly with Boardmix's free, collaborative online ER diagram maker.
With no steep learning curve, you can get started quickly and bring your data models to life.

Free Online ER Diagram Tool for Teamshape1shape2

Streamlined workflow with infinite canvas

Boardmix offers an infinite online canvas for seamless data modeling visualization. Leverage a rich library of diagrams like flowcharts, mind maps, and more to clearly convey intricate database structures, relationships, and hierarchies.

Start for free
Streamlined workflow with infinite canvas

Boost team efficiency with online collaboration

Boardmix supports for up to 5,000 team members to create architecture diagrams, flowcharts and more simultaneously. Leverage features like in-app commenting, voting, and live presentation to align on the best solutions.

Start for free
Boost team efficiency with online collaboration

Accelerate your work with AI assistance

Boardmix's built-in AI assistant provides intelligent support to simplify your ER diagram creation process. Leverage over 11 pre-built AI templates to automatically generate complementary visuals like mind maps and flowcharts from your text inputs to save time.

Start for free
Accelerate your work with AI assistance

What our users are saying

Trusted by 4M+ users worldwide

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

stars

"Real-time collaboration has revolutionized our remote team's workflow. We can work on the same ER diagram together and give instant feedback."

Jordan L.

Jordan L.

Remote Team Lead

stars

"The comment and feedback system keeps our team on the same page."

James Krith

James Krith

Business Analyst

stars

"I love how intuitive and user-friendly Boardmix is for ER diagram creation."

Taylor Ray

Taylor Ray

Database Administrator

stars

"Boardmix's templates made starting my ER diagrams so much easier!"

Alex T.

Alex T.

Software Developer

stars

"Infinite canvas lets me visualize complex systems without limits."

Casey D.

Casey D.

Systems Architect

FAQs about online ER diagram design

What is a ER diagram?

What's included in a ER diagram?

How to create an Entity-Relationship diagram in Boardmix?

What file formats does Boardmix support for exporting projects and diagrams?