{
  "name": "Universal Calculator Hub",
  "short_name": "CalcHub",
  "description": "Free calculators, converters, clocks and health tools.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#f5f5fb",
  "theme_color": "#6c63ff",
  "orientation": "portrait",
  "icons": [
    {
      "src": "icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ],
  "categories": ["utilities", "productivity"]
}