Google Chrome is the most common web browser which is used all around the world due to its speed and compatibility with our systems.As a result day by day new type of Apps and Extensions are released in to chrome web store.But have you ever tried to make one of your own App and Extension? If not in this tutorial i am gonna show you how to make your own Chrome app and Extension for you site or any other site with in Minutes using Manifest.json file.So let's see how to do this. Steps: 1.Create a New Folder any where on your Pc and name it as like " Worldtech360 chrome Apps " or " Chrome Apps and Extensions ".Now create a Sub folder and name it with your site. 2.Open the Sub folder which you have created and create a new " Text document ".Now we are going to convert this text document in to Manifest.json. 3.Open the Text document and copy the below code in it. { "manifest_version": 2, "name": "Web site name...