Examine source code of ImageTools Screenshot Capture

{
  "manifest_version": 2,
  "name": "ImageTools Screenshot Capture",
  "version": "1.11.3",
  "description": "Capture screenshots (full page, visible area, or selection) and send them to ImageTools for editing and compression.",
  "author": "developer@a42r.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "imagetools@a42r.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage",
    "notifications",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "ImageTools Screenshot",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  }
}