Examine source code of Paste Clear URL And Go

{
  "manifest_version": 3,
  "name": "Paste Clear URL And Go",
  "version": "1.1.17",
  "description": "Strip tracking params from a clipboard URL and open it in current, new, or private tab.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "clipboardRead",
    "clipboardWrite",
    "activeTab",
    "scripting",
    "storage",
    "tabs",
    "windows",
    "contextMenus"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true,
    "browser_style": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "paste-clear-url-and-go@extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}