Countdown Timer Pro: Event Tracker & Deadline Reminder

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "version": "1.0.0",
    "name": "Countdown Timer Pro: Event Tracker & Deadline Reminder",
    "description": "Create a Countdown Timer that counts down in seconds, minutes, hours and days to any date, with time zone support.",
    "homepage_url": "https:\/\/lifeecalendar.com\/tools\/countdown-timer\/",
    "offline_enabled": true,
    "permissions": [
        "tabs",
        "storage"
    ],
    "background": {
        "service_worker": "assets\/background.js"
    },
    "action": {
        "default_popup": "index.html",
        "default_icon": {
            "16": "icon16.png",
            "48": "icon48.png",
            "128": "icon128.png"
        }
    },
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    }
}