{
  "name": "Audio Test – Free Online Speaker & Stereo Test Tools",
  "short_name": "Audio Test",
  "description": "Free online audio test tools: stereo test, frequency sweep, bass test, tone generator. PWA offline support.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#09090b",
  "theme_color": "#09090b",
  "orientation": "any",
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "categories": ["utilities", "music"]
}