Map system behaviors with a UML state machine diagram tool
Simplify systems with a UML state diagram maker
Why Miro is the best UML state diagram creator
Intuitive diagramming
Designing accurate state diagrams can feel complex and time-consuming. Using Miro's Diagramming mode, it doesn’t have to be. With a curated diagramming toolbar, you can easily add layers, drag and drop symbols, get access to our UML shape pack, and customize the look and feel.
One source of truth
Juggling diagrams, documents, and tools makes collaboration harder. With Miro’s infinite canvas, build your state machine diagram right alongside specs, screenshots, and reference materials. Do even more with less when you sync with one of Miro’s 130+ app integrations, including Jira and Notion. Your team always works from a single source of truth - clear, centralized, and up-to-date.
PlantUML and Mermaid app integrations
Switching between code-based and visual editors can break your flow. Create your UML state machine diagram using our online Mermaid and PlantUML editors — built right into Miro. Choose from sample diagrams or paste your own Markdown to start faster. Save time and maintain precision.
Bring your team together
Design reviews and feedback loops can often slow down development. With Miro, you can collaborate on your state machine diagram together online, run smooth feedback cycles, and host interactive presentations straight from your Miro board — whether your team works in real time or async. Paired with comments, Talktracks, and live cursors, using Miro is the simplest way to align engineers, PMs, and stakeholders.
Design smarter with Miro AI
Mapping state transitions can get complex fast. Miro AI helps you stay organized by generating, clustering, and labeling states automatically. You can summarize logic paths, refine naming conventions, and tidy layouts in seconds with Auto Layout. Move from concept to complete system visualization without the cleanup.
Start faster with ready-made templates
Building a state machine diagram from scratch can slow your workflow. Miro’s customizable UML templates give you a head start with pre-formatted shapes, connectors, and layout suggestions. Spend less time setting up and more time refining how your system actually works.
Integrated with your favorite tools
Related templates
How to create a UML state machine diagram online with Miro
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State diagram maker FAQs
Does this tool support team collaboration?
Yes, Miro’s UML state machine diagram tool helps teams collaborate on diagrams in real-time and async, no matter where they are. Invite others to work on your state diagram, request feedback directly on the board, track changes, and iterate processes faster.
Can I customize the appearance of my UML state machine diagrams?
Yes, Miro’s many editing tools allow you to change colors, fonts, and styles. You can also add shapes, images, and icons to further customize state machine diagrams.
Can I export my UML state machine diagrams to PDF or other file formats?
Yes, in Miro, you can download your UML state machine diagram as an image or PDF.
Are there resources or templates available from other product teams?
Yes. The Miroverse offers thousands of templates created by Miro users and experts, including pre-built UML templates for state, sequence, and class diagrams. You can explore proven frameworks, learn from real-world examples, and adapt templates to your system’s logic.
What’s the learning curve for teams new to Miro AI?
It’s minimal. Miro AI is designed to feel natural, even for first-time users. You can cluster states, auto-organize transitions, or summarize logic paths directly on your board. Most teams begin seeing productivity gains within their first session.
How much does it cost to use Miro AI features?
Miro AI is available on all plans through a credit system, from Free to Enterprise. Each AI action uses one credit. The number of credits varies by plan and can be shared across all Miro AI features.
Can Miro handle large-scale, complex projects?
Yes. Miro supports state diagrams and system maps of any size, from small workflows to enterprise-level architectures. You can organize multiple diagrams on one board, layer system details, and integrate with tools like Jira or Confluence to keep everything connected.
Can I tailor Miro to fit my team’s specific workflow?
Absolutely. Miro’s flexible workspace lets you build custom UML templates, reusable boards, and team-specific frameworks. You can apply color systems, annotation styles, and custom layouts that match your modeling standards. AI shortcuts can also help automate repetitive steps, like naming states or summarizing flow descriptions.
How does Miro connect with tools like Jira?
Miro integrates with over 160 tools, including Jira, Confluence, and GitHub. You can embed live Jira tickets, link design specs, and sync system documentation directly from your board.
How do I know my team’s ideas and data are secure in Miro?
Miro is built with enterprise-grade security to protect your data. It provides advanced user and access controls so you can manage who views or edits each board. Your diagrams, logic flows, and project documentation stay secure throughout your entire workflow.