Name the folder something relevant to your extension's functionality. Create a folder for your extension: The first step is to create a folder to hold your extension's files.It could be something simple like adding a button to the toolbar, or something more complex like modifying the behavior of a website.
Decide on the functionality of your extension: Before you start creating your extension, you need to determine what you want your extension to do.Here are the basic steps to create a Chrome extension: Making a Chrome extension can be a fun and useful way to extend the functionality of your browser.