{
  "name": "Free Online Calculators",
  "short_name": "Calculators",
  "description": "Free, accurate online calculators for finance, health, math & more",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#667eea",
  "orientation": "portrait-primary",
  "icons": [
    {
      "src": "/icon",
      "sizes": "32x32",
      "type": "image/png"
    },
    {
      "src": "/apple-icon",
      "sizes": "180x180",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "/icon?size=192",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icon?size=512",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "categories": ["finance", "health", "productivity", "education"],
  "screenshots": []
}