How To Make A Chrome Extension?

Create a project folder

Add a `manifest.json` file

Define the extension name, version, and permissions in `manifest.json`

Add background, content, popup, or options scripts as needed

Create the extension UI files such as `popup.html` and `popup.js`

Add icons for the extension

Write the extension logic in JavaScript

Load the extension in Chrome using `chrome://extensions`

Enable Developer mode

Click Load unpacked

Select the project folder

Test the extension

Fix any errors in the console

Package the extension when ready

Publish it to the Chrome Web Store if desired