Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter. Swagger Viewer - v3.1.2 Swagger Viewer lets you preview Swagger 2.0 and OpenAPI files as you type in Visual Studio Code. Additionally provide intellisense/linting for the files as well. It works on swagger files in json and yaml format. Preview happens in real time as you type. Preview To start Open the swagger file