{
  "name": "Sound Tester - Test Speakers, Mic & Headphones",
  "short_name": "Sound Tester",
  "description": "Free browser-based audio diagnostic tools: test headphones, speakers, microphone, frequency response and more.",
  "start_url": "/?utm_source=pwa",
  "id": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#ffffff",
  "theme_color": "#2563eb",
  "categories": ["utilities", "music", "productivity"],
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}