Examine source code of ExImageInfo

{
  "manifest_version": 2,
  "name": "__MSG_ExtensionsName__",
  "version": "0.8.10",
  "description": "__MSG_ExtensionDescription__",
  "icons": {
    "16": "icons/image16.png",
    "24": "icons/image24.png",
    "32": "icons/image32.png",
    "48": "icons/image48.png",
    "64": "icons/image64.png",
    "96": "icons/image96.png",
    "128": "icons/image128.png",
    "192": "icons/image192.png",
    "256": "icons/image256.png",
    "512": "icons/image512.png",
    "1024": "icons/image1024.png"
  },
  "permissions": [
    "<all_urls>",
    "menus",
    "storage",
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/commonfunctions.js",
        "lib/exif.js",
        "lib/imageproperties.js",
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "lib/commonfunctions.js",
      "lib/localize.js",
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "eximageinfo@coth.webext",
      "strict_min_version": "60.0"
    }
  }
}