How to make Chrome Extension.

How to install an extension Open in Chrome Web Store

CRX ID

kcekgmndcdbeflkloloihblbepjnpfom

Status

Live on Store

Description from extension meta

How to make Chrome Extension.

Image from store

Description from store

This is an introduction to developing Chrome Extension for beginners.

This includes a fully working sample of the Chrome Extension.

Let's make your own Chrome Extension!

Index
Chapter 1. Very simple chrome extension.
Chapter 2. How to use localStorage.
Chapter 3. How to Debug.
Chapter 4. Browser Action and Page Action.
Chapter 5. How to use executeScript.
Chapter 6. How to use contextMenus.
Chapter 7. Control chrome tabs.
Chapter 8. How to use sendMessage.
Chapter 9. How to use Alarm.
Chapter 10. How to use content scripts.
Chapter 11. Open file and Sava to file.
To be continued.

Sep.19,2019 Version 1.0 New release
Nov.28,2019 Version 1.1 Added Chapter 7. Bug fixes. Japanese support.
Apr.17,2020 Version 1.2 Added Chapter 8.
Jun.5,2020 Version 1.4 Added Chapter 9.
Dec.13,2020 Version 1.5 Added Chapter 10.
Feb.1,2021 Version 1.6 Added Chapter 11.