Responsive Website Testing Toolkit - Multiple Viewport Simulator

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Responsive Website Testing Toolkit - Multiple Viewport Simulator",
    "short_name": "Responsive Website Testing Toolkit",
    "description": "An essential tool to test the responsiveness of any website on multiple screens simultaneously",
    "offline_enabled": true,
    "version": "1.0.0",
    "manifest_version": 3,
    "author": "Rahul Baruri <[email protected]>",
    "icons": {
        "16": "images\/icons\/16.png",
        "32": "images\/icons\/32.png",
        "48": "images\/icons\/48.png",
        "128": "images\/icons\/128.png"
    },
    "background": {
        "service_worker": "\/serviceWorker.js"
    },
    "host_permissions": [
        "*:\/\/*\/*",
        "<all_urls>"
    ],
    "permissions": [
        "storage",
        "downloads",
        "declarativeNetRequest",
        "scripting"
    ],
    "content_scripts": [
        {
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*",
                "ftp:\/\/*\/*",
                "file:\/\/\/*",
                "*:\/\/*\/*"
            ],
            "js": [
                "\/contentScript.js"
            ],
            "run_at": "document_start",
            "all_frames": true
        }
    ],
    "action": {
        "default_icon": {
            "16": "images\/icons\/16.png",
            "32": "images\/icons\/32.png"
        },
        "default_title": "Enable Responsive website tester",
        "default_popup": "popup.html"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "\/assets\/main.css",
                "\/assets\/main.js",
                "welcome.html",
                "favicon.svg"
            ],
            "matches": [
                "*:\/\/*\/*",
                "ftp:\/\/*\/*",
                "file:\/\/\/*",
                "<all_urls>"
            ]
        }
    ]
}