Extensions are software programs built on web technologies (such as HTML, CSS, and JavaScript) that enable users to customize the Chrome browsing experience.
- Sample manifest for Chrome Extension Version 3 — The manifest file is a JSON file. Here we list the name, description, icons, and manifest version--among other things--of our Chrome extension. For this tutorial, we're working with manifest version 3; think of it like the software version.
- Save values on Chrome Extension