Examine source code of SnapPDF — PDF Toolkit

{
  "manifest_version": 2,
  "name": "SnapPDF — PDF Toolkit",
  "short_name": "SnapPDF",
  "version": "1.0.0",
  "description": "Merge, split, rotate, and convert PDFs — 100% local, zero uploads. Fast, free, private.",
  "author": "SnapTool Labs",
  "homepage_url": "https://snaptoollabs.com",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "SnapPDF — PDF Toolkit"
  },
  "background": {
    "scripts": [
      "background/service-worker-ff.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "lib/pdf.worker.min.mjs",
    "lib/pdf-lib.min.js",
    "lib/pdf.min.mjs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "snappdf@snaptoollabs.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}