Examine source code of SnapSend — Secure Sharing

{
  "manifest_version": 3,
  "name": "SnapSend — Secure Sharing",
  "short_name": "SnapSend",
  "version": "1.0.0",
  "description": "Encrypt & share passwords, API keys, and secrets with self-destructing links. Includes a JWT decoder that never sends your tokens to any server.",
  "permissions": [
    "contextMenus",
    "notifications",
    "scripting",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://snapsend.site/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "SnapSend",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@snapsend.site",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  }
}