manifest.json

{
    "name": "insta down",
    "short_name": "IGT",
    "start_url": "/",
    "background_color": "#6777ef",
    "description": "دانلود از اینستا",
    "display": "fullscreen",
    "theme_color": "#6777ef",
    "icons": [
        {
            "src": "icon/instagram_16.png",
            "sizes": "16x16",
            "type": "image/png",
            "purpose": "any"
        },
        {
            "src": "icon/instagram_32.png",
            "sizes": "32x32",
            "type": "image/png",
            "purpose": "any"
        },
        {
            "src": "icon/instagram_64.png",
            "sizes": "64x64",
            "type": "image/png",
            "purpose": "any"
        },
        {
            "src": "icon/instagram_128.png",
            "sizes": "128x128",
            "type": "image/png",
            "purpose": "any"
        },
        {
            "src": "icon/instagram_256.png",
            "sizes": "256x256",
            "type": "image/png",
            "purpose": "any"
        }
    ]
}