An easy-to-use block diagram maker
Block diagrams help you visualize systems, creating a common understanding for development teams. Get started in seconds with our free block diagram maker, and get everyone on the same page in minutes.
Over 60M users love Miro
More than just an online block diagram creator
Diagram your connections, model objects, and visualize your system complexity with a block diagram online. Invite your team to work with you directly on your board and plan out new systems or quickly iterate on existing ones.
Why Miro’s block diagram maker stands out
Quickly visualize interactions
Easily model complex systems and visualize interactions in one shared space. Miro’s block diagram creator allows you to diagram workflows, software development, hardware design, or any other non-technical algorithm with just a few clicks.
Communicate your vision
Easily represent your block diagram components using our extensive diagramming shape library, and seamlessly collaborate. Tag team members in comments to keep everyone in the loop on conversations that matter.
Reduce complexity
Visualize entire systems using Miro’s block diagram maker — no matter how complex. Use our infinite canvas to illustrate your block diagram in detail and visually communicate technical flows to everyone, even to non-technical stakeholders.
Iterate and innovate
Miro’s block diagram maker helps you zoom out, allowing you to see entire systems at a glance, all in one board. Turn the infinite canvas into an exploration field and create the conditions for creative solutions.
Break down silos
Improve cross-functional collaboration by inviting other teams to access your board. Miro’s visual workspace makes capturing and organizing ideas easy with comments, sticky notes, and video.
Share it
Share your board with the whole team with just a few clicks, or download your block diagram as an image or PDF file. Quickly circulate your block diagram so stakeholders can weigh in and move projects forward.
Related templates
Gain a better understanding of your current systems and build new ones.
Understand how the elements of your database interact with each other.
Improve internal processes and better lead development teams.
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 a block diagram online
1
Start a new Miro board
Head to the toolbar on your Miro board and click on “Templates” to open our free Block Diagram Template.
2
Populate the template
Identify the input, output, process blocks, and interactions. Add names to each component and use connection lines to represent flows.
3
Add labels
Label arrows to identify important processes. If you used multiple types of connection lines, add a legend to easily differentiate between them.
4
Make it yours
Color-code your block diagram to identify stages and processes. Drag and drop any icons you need. Resize and frame your block diagram to fit your presentation or working board.
“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
Block diagram maker FAQs
Use our free and customizable Block Diagram Template to start diagramming, or browse our community templates to leverage your knowledge and get inspired.
Miro’s block diagram creator allows you to fully customize your design, giving you the flexibility you need to diagram according to specific projects or needs.
A block diagram represents system components using blocks, showcasing their relationships and interactions. A flowchart is more widely used to describe information or data flow. They are both very similar but serve different purposes.
Yes. In Miro’s block diagram creator, you can either download your block diagram as an image or PDF file, share a link to your board, or embed it on other sites.
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