PNG to JPG

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_appName__",
    "description": "__MSG_appDesc__",
    "default_locale": "en",
    "version": "1.1.0",
    "permissions": [
        "tabs",
        "scripting",
        "storage",
        "activeTab",
        "sidePanel",
        "offscreen"
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "background": {
        "service_worker": "background.js",
        "type": "module"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "libheif-js\/wasm-bundle.wasm"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "icons": {
        "16": "img\/Icon_16.png",
        "24": "img\/Icon_24.png",
        "32": "img\/Icon_32.png",
        "48": "img\/Icon_48.png",
        "128": "img\/Icon_128.png"
    },
    "side_panel": {
        "default_path": "sidepanel.html"
    },
    "action": {
        "default_title": "Click to open panel"
    },
    "externally_connectable": {
        "matches": [
            "<all_urls>"
        ]
    },
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'; script-src-elem 'self' 'unsafe-inline';"
    },
    "oauth2": {
        "client_id": "206855665292-i4ka5kq470dnk0c23e147og6f9jee1p8.apps.googleusercontent.com",
        "scopes": [
            "openid",
            "email",
            "profile"
        ]
    }
}