Images to PNG Converter

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "version": "3.0.0",
    "default_locale": "en",
    "name": "__MSG_name__",
    "description": "__MSG_description__",
    "permissions": [
        "contextMenus",
        "activeTab",
        "scripting"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "host_permissions": [
        "<all_urls>"
    ],
    "icons": {
        "16": "img\/16.png",
        "48": "img\/48.png",
        "128": "img\/128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ]
        }
    ]
}