Online Use Case Diagram Maker
You wouldn't build a house without a blueprint, right? The same goes for making software. Use Lucidchart to create UML diagrams that will serve as efficient blueprints.
99% of the Fortune 500 trust Lucidchart to keep teams on the same page.
Get started with free use case diagram templates
Whether you're working by yourself, with a client, or on a design team, you'll find an option that's right for you. Start out with Lucidchart's free use case templates or test the premium features through a free trial. Because of our thriving community of software developers, Lucidchart's Community Library has many UML use case diagram examples. Check them out to spark an idea or answer questions.
Make a UML diagram
Flexible and free
Lucidchart isn’t limited to use case diagrams. With an extensive shape and connector library, you'll find everything you need to draw activity diagrams, sequence diagrams, class diagrams and more.
Draw together
Lucidchart's collaborative UML use case diagram tool enables teams to come together online and work in real-time without a single download or system update.
Publish and share
Share your UML use case diagram by embedding it in a blog, wiki, or website. You can even export your diagram as an image and include it in a document or presentation.
Use case diagrams with Lucidchart
Make your own professional UML use case diagrams. We make flow charts simple, intuitive, and even fun.
Diagrams made easy
With our intuitive interface, you can easily arrange diagram elements however you like. Connect shapes with a click, then add an image or video for extra flair. Our editor is designed to make it easy to diagram.
Visio import/export
Even free users can view Visio files in Lucidchart. With a premium account, you can also edit Visio files and export your diagrams as Visio files so that you colleagues don't get left behind. You won't need to duplicate any work you've already done in Visio.
Fully integrated
Lucidchart integrates with the Google Apps productivity suite, allowing you to use your existing Google login to sync with Google Drive. Lucidchart also makes content from YouTube, Dropbox, and Facebook available at the click of a button.
Instant publishing
We’ll help you make a jaw-dropping flowchart that you’ll want everyone to see, and then we’ll help you send it off. Publish your flowchart as a PDF or image, then include it in a presentation or report. You can also embed it right into your web page!
Create any diagram in Lucidchart
Flowcharts
Org Charts
Process Maps
ER Diagrams
Network Diagrams
And More
Over 15 million users
trust Lucidchart to keep them on the same page.
