If you mean "I have a .puml and need .svg or .png", the tool does that natively, as do most online versions (this one is their example https://www.plantuml.com/

If you mean "I have a .puml and need .svg or .png", the tool does that natively, as do most online versions (this one is their example https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4ZDoSa70000 https://www.plantuml.com/plantuml/uml/SyfFKj2rKt3CoKnELR1Io4... and there are PNG and SVG links under the textarea). It also works offline https://plantuml.com/command-line#:~:text=Types%20of%20Output%20File https://plantuml.com/command-line#:~:text=Types%20of%20Outpu...