Examine source code of KiwiBox Visual Bookmarks

{
  "name": "KiwiBox Visual Bookmark Manager",
  "version": "1.3resigned1",
  "manifest_version": 2,
  "description": "Have 40 tabs open? Hate bookmarking pages, but don’t want to lose the latest find? Box it with KiwiBox and find it in seconds later!",
  "browser_action": {
    "default_icon": "icons/icon128-off.png",
    "default_popup": "kiwibox.html"
  },
  "icons": {
    "16": "icons/icon16-off.png",
    "48": "icons/icon48-off.png",
    "128": "icons/icon128-off.png"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "storage",
    "unlimitedStorage"
  ],
  "commands": {
    "kiwi_add_remove_page": {
      "suggested_key": {
        "default": "Alt+K",
        "mac": "Alt+K"
      },
      "description": "Add / Remove Page from KiwiBox"
    },
    "_execute_browser_action": {
      "suggested_key": {
        "windows": "Alt+Shift+K",
        "mac": "Alt+Shift+K",
        "chromeos": "Alt+Shift+K",
        "linux": "Alt+Shift+K"
      }
    }
  },
  "background": {
    "persistent": true,
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b8884500-c794-4696-a7bb-f6094bce11f1}"
    }
  }
}