Examine source code of HashForge

{
  "manifest_version": 2,
  "name": "HashForge",
  "version": "1.0.0",
  "description": "Generate and verify MD5, SHA-1, SHA-256, SHA-512, SHA3-256 hashes with HMAC support, encoding tools (Base64, HEX, URL, Binary), output formatting, and history.",
  "permissions": [
    "storage",
    "clipboardWrite",
    "clipboardRead"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "f53ebc7bc68f37984c7b30a5fbdcb43f854bc79f@extension.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}