Examine source code of LinkSwift Sharer

{
  "manifest_version": 3,
  "name": "LinkSwift Sharer",
  "version": "1.0",
  "description": "Integrates URL shortening services and QR code generation directly into the browser. Allows for quick sharing of current or selected URLs through a single click or context menu option.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "linkswift_sharer.png"
  },
  "icons": {
    "128": "linkswift_sharer.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tmaxfalconeyrmbn70@hotmail.com"
    }
  }
}