You can even export a SVG that embeds the drawio source. This is how I make diagrams for my projects: I can display them directly from my README, and after edit

You can even export a SVG that embeds the drawio source. This is how I make diagrams for my projects: I can display them directly from my README, and after editing them in Draw.io's Visual Studio Code extension, I don't have to go through another export step.