{
    "name": "CalcHub - Free Online Calculator Hub",
    "short_name": "CalcHub",
    "description": "Access 840+ free professional calculators across 28 categories. Calculate anything instantly!",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#0a0a0f",
    "theme_color": "#667eea",
    "orientation": "portrait-primary",
    "scope": "/",
    "lang": "en",
    "categories": [
        "utilities",
        "productivity",
        "education"
    ],
    "icons": [
        {
            "src": "favicon.png",
            "sizes": "192x192",
            "type": "image/png",
            "purpose": "any maskable"
        },
        {
            "src": "favicon.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "any maskable"
        }
    ],
    "screenshots": [],
    "prefer_related_applications": false
}