Word Counter - Count Chars and Letters Online

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Word Counter - Count Chars and Letters Online",
  "version": "1.0.0",
  "description": "Copy and paste your text into our editor to count its words and characters. Our letter counter is free and easy!",
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "homepage_url": "https://useful.tools/word-letter-counter",
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Useful Tools"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}