Visualize systems with a sequence diagram online

Map out systems and interactions between different actors using Miro’s sequence diagram tool. Picture success cases, troubleshoot issues, and understand events as they happen within a system.

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Create an online sequence diagram in seconds

Generate a UML sequence diagram in seconds using Miro AI. Bring non-technical stakeholders into the conversation and diagram events and interactions in a way everyone understands.

Why Miro is the best sequence diagram tool

Diagram solutions

Use Miro’s Diagramming mode to access our curated diagramming toolbar, layering tools, and other dedicated features to create your sequence diagram. Easily color-coding flows and embed other artifacts using integrations like Jira, Coda, and Airtable.

Bring clarity to every team

Analyze scenarios and visually represent events showing high-level information or detailed system steps, depending on your audience or project. Miro’s complete UML shape pack allows you to examine a system at various levels, making it easy to get buy-in from stakeholders from different backgrounds.

Quickly adapt to changes

Update your sequence diagram to match changing events without overhauling your previous work. Get instant feedback and iterate in real time by sharing your UML sequence diagram with your team. Accelerate your work and bring your team together, no matter where or when they work.

Uncover opportunities

Get ahead of the game and discover opportunities, even before the implementation phase. Miro’s sequence diagram tool allows you to view detailed steps of your system at a glance — with options, loops, alternatives, and different sequences, all in one shared space.

Powerful storytelling

Get your point across while presenting your sequence diagram to stakeholders. Visually translate technical plans with Miro’s infinite canvas and transform your board into a system map, outlining plans for your next sprint.

See the big picture

Map how different actors interact and disclose the sequence of messages exchanged between objects using Miro’s UML sequence diagram maker. Quickly examine a system and see how it behaves under certain conditions.

Related templates

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

Model and design software at ease. With the UML Diagram Template, allow your team to visualize processes, development, and behavior with a unified language.

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.

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 sequence diagram online with Miro


Select the template

Choose the UML Sequence Diagram Template.


Add shapes and symbols

Browse through our diagramming shapes library.


Connect the shapes

Start connecting the shapes with connector lines.


Add labels

Give context by naming processes and activities.

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.

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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

Sequence diagram tool FAQs

There are many online tools available that let users create sequence diagrams for free. When choosing a tool to draw a sequence diagram, make sure you pick one that offers ready-made templates, industry-recognized shapes and symbols, and automated diagramming features so you create more professional-looking sequence diagrams quickly and easily. Miro is a great online workspace to create your sequence diagram and share it with your team, making it easy to communicate technical plans and align on strategy and goals.

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