How to create a Google Chrome extension from a greasemonkey/user script

Follow these steps to create a chrome extension from your userscript

• Create a folder for your extension
• Place the greasmonkey/user script javascript file in this folder
• Create a 128px * 128px icon for your extension and place in this folder
• Create a file called manifest.json in this folder
  • example is below - replace the pinboard.in content with your details

{
  "name": "Pinboard.in clean up",
  "version": "0.1",
  "description": "Clean up the UI of pinboard.in",
  "icons": { "128": "pinboard128.png" },
  "content_scripts": [
   {
      "matches": ["http://www.pinboard.in/*","http://pinboard.in/*"],
      "js": ["pinboardin_clean_up.user.js"]
    }
   ]
}

Note

• replace ‘pinboardin_clean_up.user.js’ with your js file and matches with which pages you want your script to work on
• refer the chrome extensions developers wiki for more details on manifest.json  
• Zip up this folder
• Go to the Chrome extensions page: https://chrome.google.com/extensions
  • Sign in and click the ‘Publish your extension’ link on the botton left
• Google will ask you to upload a zip file, just upload the zip file you created, follow the steps and your extension will be publish on the Chrome extensions page