Counting Characters - #1 Letter & Word Count

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Counting Characters - #1 Letter & Word Count",
  "version": "1.1.6",
  "description": "#1 Character, Letter & Word Counter Tool - Help to count letters, characters & words (UPPERCASE, Titlecase & lowercase converter).",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "title": "CountingCharacters.com",
    "default_icon": "icon16.png",
    "default_popup": "main.html"
  },
  "background": {
    "scripts": [
      "js/backgroundpage.js"
    ],
    "persistent": false
  },
  "permissions": [
    "notifications",
    "storage",
    "contextMenus",
    "tabs",
    "activeTab"
  ],
  "offline_enabled": true,
  "incognito": "split"
}