This extension lets you preview the details page for your extension from within Visual Studio Code. Use it to add rich content to your manifest and readme files and see how your extension will appear on the Marketplace. Features include:
Side by Side Preview
Side Preview with Live Editing
Open extension project from the root folder in vscode.
Navigate to the manifest file for your extension (package.json for Visual Studio Code extensions and vss-extension.json for Team Services extensions).
For side by side preview, either use the keybinding ctrl+q y or Press F1, type Extension Manifest: Open Manifest Preview to the Side and hit return
For standalone preview, either use the keybinding ctrl+shift+y or Press F1, type Extension Manifest: Open Manifest Preview and hit return