Show how systems are structured with a component diagram tool

Visualize the physical components of your system and how they are connected with a UML component diagram online. Use this tool to plan development and diagram how complex systems are wired.

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Quickly create a component diagram online

Miro's visual workspace allows your team to document, discuss, and align on current processes — on one infinite canvas. Discover technical risks and resolve misalignments that could hinder your plan’s execution by drawing a UML component diagram and sharing it with your team.

Why Miro is the best component diagram tool

Change systems faster

Create your component diagram using Miro's Diagramming mode — including a curated diagramming toolbar, snap-to-grid alignment, and other dedicated tools to simplify your experience. Use Miro’s extensive UML shape pack or easily upload your own.

Master planning

Build development plans that make sense with Miro’s UML component diagram tool. Depict the structural relationship between software system elements to see if your plans cover all functional requirements.

Agile diagramming

Miro's advanced diagramming capabilities, smart drawing features, app integrations, and intuitive UI make crafting your UML component diagram more agile, so you and your team can start building collaboratively and iterate quickly.

Communicate complex ideas

Identify problems that need to be addressed in your system by drawing a UML component diagram online. Bridge the gap between system architects, developers, and other stakeholders, translating your ideas into a visual diagram with a unified language that everyone understands.

Foster collaboration

Work iteratively, layering on detail about your technical software plans alongside the actual development work. Ensure that your UML component diagram iterations are validated with Miro's collaboration features and that the system design can easily adapt and respond to changes.

Keep consistency

With Miro’s infinite canvas, link your UML component diagram to related roadmaps, designs, or even code. Together with your team, brainstorm technical solutions and innovate alongside development while maintaining alignment to the long-term architectural vision.

Related templates

Plan, draw, and share an object-oriented system’s elements and components using our Component Diagram Template.

Visualize the workflow of a process and how objects perform actions.

Understand the order in which the events within a sequence interact with each other.

Plan object-oriented systems in a joint workspace that fosters collaboration and innovation using a UML class diagram.

Get a complete snapshot of how every object in your program interacts with all the others.

Plan, analyze, and optimize activities by breaking them into subprocesses and constituent decisions with our Activity Diagram template.

How to create a component diagram online with Miro


Choose the ready-made template

Add it to the board.


Add shapes

Choose the shape tool on the toolbar and click All shapes. The Diagramming panel will open for you on the left-hand side.


Click Manage shapes

Check the box next to the needed shape pack and begin mapping your software system.

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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

Component diagram tool FAQs

Use a component diagram tool to visually model and analyze the components of your system, making it easier to understand how they fit together and identify potential issues or improvements. Miro’s component diagram maker lets you work collaboratively with others in real-time or async, speeding up diagramming processes and avoiding implementation mistakes.

Other Miro solutions

Easy-to-use diagram maker

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 tools

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

Flowchart maker

Check off all the essential steps in your process, from alignment to making information actionable, and then plot your project together with your team.

Get on board in seconds

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

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