Simple Download Manager

{
    "manifest_version": 3,
    "name": "Simple Download Manager",
    "description": "Simple Download Manager",
    "version": "2.2.0",
    "background": {
        "service_worker": "service-worker.js"
    },
    "icons": {
        "19": "assets\/icon19.png",
        "38": "assets\/icon19.png",
        "128": "assets\/icon19.png"
    },
    "action": {
        "default_title": "View Downloads!",
        "default_popup": "index.html#\/popup"
    },
    "permissions": [
        "notifications",
        "storage",
        "alarms",
        "downloads",
        "downloads.open",
        "downloads.shelf",
        "offscreen"
    ],
    "short_name": "SDM",
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx"
}