Intellij Generate Class Diagram. In the project tool window right click a package for which you want to create a diagram and select diagrams show diagram ctrl alt shift u. Enough for most.
Click at the top of diagram navigator. Overall it does a great job. Generate a light class diagram per module.
You can generate a uml class diagram from a github or local repository automatically using smartdraw class diagram extension.
Generate uml diagrams features. Intellij idea provides this as part of payed version. This way it is sav. In order to generate a diagram choose a class that will be your starting point.
