{
  "name": "CalcHub - Free Online Calculators",
  "short_name": "CalcHub",
  "description": "95+ free online calculators for health, finance, pregnancy, and real estate",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#2563eb",
  "icons": [
    { "src": "/favicon-32.png", "sizes": "32x32", "type": "image/png" },
    { "src": "/apple-touch-icon.png", "sizes": "180x180", "type": "image/png" },
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png" }
  ],
  "categories": ["utilities", "health", "finance"],
  "orientation": "any"
}