WebP to PNG

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_appName__",
    "description": "__MSG_shortDesc__",
    "default_locale": "en",
    "version": "1.1",
    "background": {
        "service_worker": "worker.js"
    },
    "action": {
        "default_popup": "pages\/popup.html",
        "default_icon": {
            "16": "icons\/icon_16.png",
            "48": "icons\/icon_48.png",
            "64": "icons\/icon_64.png",
            "96": "icons\/icon_128_96.png",
            "128": "icons\/icon_128.png"
        }
    },
    "permissions": [
        "storage",
        "contextMenus",
        "downloads"
    ],
    "icons": {
        "16": "icons\/icon_16.png",
        "48": "icons\/icon_48.png",
        "64": "icons\/icon_64.png",
        "96": "icons\/icon_128_96.png",
        "128": "icons\/icon_128.png"
    },
    "host_permissions": [
        "<all_urls>"
    ],
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content-script.js"
            ]
        }
    ]
}