Tabs count

Counts the number of open browser tabs

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Tabs count",
  "version": "1.0.1",
  "manifest_version": 3,
  "description": "Counts the number of open browser tabs",
  "action": {
    "default_title": "Tab count",
    "default_icon": "icons/icon-48x48.png"
  },
  "permissions": [
    "notifications"
  ],
  "icons": {
    "48": "icons/icon-48x48.png",
    "144": "icons/icon-144x144.png"
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self';"
  },
  "background": {
    "service_worker": "js/background.js"
  }
}