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HOW TO: Create Your Own Google Chrome Extension

Last updated on 16/05/2014 by | Short URL: http://hbb.me/1sURsYL

Since the launch of Google Chrome, it’s been chaos in and around the web. Why Chrome is so popular? It’s simplicity and easy to use and users experience is so easy and no wonder to mention, millions of extensions. So, do you want to create one for your blog for free? Well as a developer its not available. But if can show case it to your friends and publicize about the same. To publish your chrome extension you will need a developer license which will cost $5 per extension which I learn at coupon site of havahart wireless coupons and oakley signs discounts.. But always you can promote it for free with the help of Dropbox. Only thing is it won’t be published.

Google Chrome Extension

So lets get started: In this tutorial I will teach you the most easiest way to create Google Chrome Extension using JSON script.

Step1: Make a folder with you blog name as the folder name in Documents directory or any other suitable location. In this tutorial I’ll teach you how I created for my blog, you will need to make suitable changes as per your blog.

Step2: Open Notepad, save as “manifest.json” and type the following code in it,

“name”: “SmartFatBlogger”,
“version”: “1.0”,
“description”: “Smart Fat Blogger is now on Chrome where you can access the dynamic ability of our full site!”,

“default_icon”: “icon.png”,

“permissions”: [ “http://www.smartfatblogger.in/” ]


 Step3: Create another file using Notepad or Dreamweaver as “popup.html” This is file that will go into extension and act as the service that you want to provide for the user.

Step4a: Customize your popup.html, Here in this HTML I’ve posted some links so as to make this tutorial easy, this is what I created using Dreamweaver.

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<title>Dynamic Smart Fat Blogger</title>
<script type=”text/javascript” src=”http://ajax.googleapis.com/
<script type=”application/javascript”>
$(“div.contentToChange p.firstparagraph:hidden”).slideDown(“slow”);
$(“div.contentToChange p.firstparagraph:visible”).slideUp(“slow”);
<style type=”text/css”>
.style1 {
font-family: Georgia, “Times New Roman”, Times, serif;
font-style: italic;
font-size: 9px;
color: #666666;

<p><a href=”http://www.smartfatblogger.in/” target=”_blank”><img src=”sfb.png” alt=”flipcard” width=”250″ height=”65″ /></a></p>
<p><a href=”http://www.smartfatblogger.in/view/flipcard” target=”_blank”><img src=”flipcard.png” alt=”flipcard” width=”108″ height=”38″ /></a></p>
<p><a href=”http://www.smartfatblogger.in/view/mosaic” target=”_blank”><img src=”mosaic.png” alt=”mosaic” width=”108″ height=”38″ /></a></p>
<p><a href=”http://www.smartfatblogger.in/view/sidebar” target=”_blank”><img src=”sidebar.png” alt=”sidebar” width=”108″ height=”38″ /></a></p>
<p><a href=”http://www.smartfatblogger.in/view/snapshot” target=”_blank”><img src=”snapshot.png” alt=”snapshot” width=”108″ height=”38″ /></a></p>
<p><a href=”http://www.smartfatblogger.in/view/timeslide” target=”_blank”><img src=”timeslide.png” alt=”timeslide” width=”108″ height=”38″ /></a></p>
<div align=”left”><span>Developed by SurajKV</span></div>

You can create anything custom, depending on your choice, this HTML file basically represents what you want to do the most as a extension, you can also add RSS feed URL or Subscription box.

Step4b: Have a icon.png file also in that folder for your icon on chrome for display.

Step5: Open Chrome, click “Customize and Control Google Chrome” Option (spanner symbol)> Tools>Extensions.

Step6: Click Load Unpacked Version, Choose the location of the folder that we created initially. You may observe that the extension is loaded. And a small icon to right of address bar you can see your extension.

Click that and Voila! You just created your first Google Chrome Extension for your blog. You can also simply publish, this on Chrome Web store as a developer, follow here! The publish will cost you $5.

From The Author : The quotes used in the code is different from the quotes you use by your keyboard. If this is not working I kindly recommend you to replace all the quotes with your keyboard quotes key.

Did you enjoy this article?

This article is written by Suraj KV. He writes about hot deals and coupon site that offers coupons and discounts for technology and other products including Havahart Wireless fence and Oakley Designs.

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On September 11, 2011 by in Chrome | Short Link: http://hbb.me/1sURsYL  

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16 Opinions on “HOW TO: Create Your Own Google Chrome Extension

  1. Its not working properly man, it says that the Line 2 column 1 of the manifest.json should be quoted or else it is invalid. I tried making all necessary things but still no results yet.

    • A screenshot would be great mate. Normally these errors occur if " (quotes) and , (commas) not used properly. You can mail me the code, I'll check it. :)

      • I just copy-pasted the whole thing explained here and ultimately came out with what I mentioned before. if you have tried it out I would request you send me the folder with the files in in via email. I would understand it better then. Hope won't be a problem for u. :-)

        • Please don't copy paste the code. It doesn't work….The quotes used in the code is different from quotes you use by your keyboard. If you copy paste the code, then I recommend you replace all the quotes with your keyboard quotes key.

          The procedure works!

  2. Looks to be something interesting ! Shall give a try soon !

  3. Ifham khan says:

    Same problem wid me dude :(

  4. Hi, thanks for the tutorial, it really helps…;)

  5. @Everyone Don't copy paste the code as you would normally do. It won't work that way.

  6. Thank you for this code, i was looking for publish it in the Chrome Store and now i will have my extension.. i hope…

  7. I made sure to use the " from my keyboard and now I am getting a syntax error in line 4, column 2

  8. Thanks for this good example. I’ve thinking about creating one for the blogs I manage but did not know I had to pay a license.

  9. I’m making a theme and well, it says “Manifest is not valid JSON. Line: 29, column: 6, Syntax error.” Help?

  10. I found I couldnt cut and paste from a json file i found on the web; had to retype. you need to have a line with “manifest_version”: 2, to get it to work

  11. The error is the version of the extention put this in the second line

    “manifest_version”: 2,

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