Uml Use Case Diagram Tool Online

Online & Free UML diagram tool

Create professional visualizations of your business processes with our free UML tool.

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Moqups is a leader in for Wireframing on G2 Moqups UML Diagram Tool

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UML No download

Use Any Browser Work cross-platform with the same UI on Microsoft Windows, MacOS, or Linux.

UML 2 Elements

UML 2 Elements Create Unified Modeling Language diagrams using industry standard drag and drop elements.

UML Sharing

Share instantly Collaborate in real time, share via live link or file-sharing apps, and export to PNG, PDF, or HTML.

UML Class diagram

Class diagram Use a UML Class diagram to show a system's classes, their relationships, and the attributes and operations of those classes.

UML Sequence diagram

Sequence diagram Use a UML Sequence Diagram to show object interactions and the messages exchanged along a system's time sequence

UML Use Case diagram

Use Case diagram Create a UML Use Case diagram to summarize the actions a live system performs as internal and external users interact with it.

UML Activity diagram

Activity diagram Create a UML Activity diagram to model the coordination of activities in business, or operational workflows.

UML Component diagram

Component diagram Build a UML Component diagram to depict relationships between a system's components, interfaces, and ports.

UML Composite structure

Composite structure diagram Use a UML Composite structure diagram to show the structure of a class, and how its properties fit together to perform a behavior.

UML Deployment diagram

Deployment diagram Model the run-time architecture of a system by visualizing its hardware and software with a UML Deployment diagram.

UML Package diagram

Package diagram Create a UML Package diagram to visualize the arrangement and organization of a system's related elements as packages.

UML Profile diagram

Profile diagram Tailor your model to a domain by defining custom stereotypes, tagged values, and constraints in a UML Profile diagram.

Process Flowchart

Org Charts

ER Diagrams

UML Diagrams

Mind Maps

diagram-card Site Maps

jira & atlassian

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Jira & Confluence Integrations

Integrate with Atlassian to create, edit and embed your team's diagrams and flowcharts right in Jira issues and Confluence pages.

Go further with Moqups

Maximize your data's impact by adding your UML diagrams to user interfaces, dashboards, wireframes, prototypes, whiteboards, and diagrams – all within the same app!

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Hear from our customers

As both a product owner and a CEO with 75 employees, I use Moqups primarily for product design. But we've also used it for everything from org charts to laying out our office space. It's incredibly intuitive, fast, and accessible everywhere. It's literally my favorite tool.

With Moqups, I can do flowcharts and wireframes and sitemaps all in one project, which is awesome for managing.

Dave Thackeray

Dave Thackeray, Content Strategist at Word and Mouth

Creating interactive wireframes for complex designs is key to our success in developing award-winning apps for our clients. Moqups' collaborative features help us communicate clearly at every stage of development – from inception to implementation.

James Lane

James Lane, US Customer Success Specialist at Nabler

What's the software I spend the most time on? After communication tools, it's definitely Moqups. It's by far the best wireframing solution I have ever used. Such a pleasure designing our products at eFounders in a product that itself is elegant and intuitive.

Thibaud Elziere