Creating an extension for a browser like Google Chrome or Microsoft Edge is a process that can be broken down into a few steps. Here is the basic procedure: 1. Configuring the extension folder and manifest file Create a new folder on your computer where you will store all the files related to the extension. You can name it something like "MyFirstExtension". Add the file manifest.json to this folder. The manifest file contains metadata about the extension, such as name, version, description, and required permissions. Sample code for the file manifest.json looks like this: { "manifest_version" : 3 , "name" : "My First Chrome Extension" , "version" : "1.0" , "description" : "A simple Chrome extension tutorial" , "icons" : { "48" : "icon.png" } , "permissions" : [ "tabs" , "activeTab" , "scripting...