Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter. Draw.io VS Code Integration This unofficial extension integrates Draw.io (also known as diagrams.net) into VS Code. Mentioned in the official diagrams.net blog. Features Edit .drawio, .dio, .drawio.svg or .drawio.png files in the Draw.io editor. To create a new diagram, simply create an empty *.drawio, *.drawio.svg o