Class Diagram
You wouldn't build a house without a blueprint, right? The same goes for developing 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 UML diagram examples
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 UML class diagram tool or test the premium features through a free trial.
Make a UML diagram
Flexible and free
Draw class diagrams, activity diagrams, use case diagrams, and more. With an extensive shape and connector library, you'll find everything you need.
Draw together
Lucidchart's collaborative UML 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 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.
Feature Highlights
Make your own professional diagrams. We make flow charts simple, intuitive, and even fun.
Diagrams made easy
Our drag-and-drop editor makes it easy to arrange your flowchart elements just the way you like. Just click and drag your mouse to connect shapes with a line, and even add an image to make your flowchart stand out. Our intuitive interface keeps it simple.
Visio import/export
We’re here to help you get your work done right, without stress. We make Microsoft Visio file imports and exports easy so there’s no need to do anything twice. Plus, you can continue to work with any of your co-workers who haven’t made the switch from Visio yet.
Fully integrated
Lucidchart is integrated with the Google Apps productivity suite, so you can use your existing Google login and sync with Google Drive. Lucidchart also puts content from YouTube, Dropbox, and Facebook right at your fingertips. Everything you need is right here.
Easy publishing
Whether you want to print your diagram, email it to a client, or share it on social media, Lucidchart is equipped to help you put it where it can do the most good. You can even embed your diagrams on your own webpage.
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.
