One-click image downloader - Grabit

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_extName__",
    "version": "3.2.0",
    "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmKeQRUiIDuQHqtvLssHnEY4BeEMjYP5vkAIb2heiCksZa4sPnYTw\/aKVmS143O5E20le4lkgHN+aW74mupxuleuMyKthIZKYDWARYo1TkvQY7YP5XzYrz9QLt2jhke6jtGtlR6RzEmqvZEU2w0hneTQQK6xd1OhDUVj\/L\/ketX6jqtE8BsC9Gd\/NcNs0kBnruWnAmRFZ9HPlO8XAqiUz30l\/WnlIdv2LycEG4nbwcH7PaOkVnVl9Sau+vKOWNc8g9RUXDqhrGJ5OFAMCpaq0MT0C+UkwGQB0oNX3FF4G8a8kIZMkDGnatrxIR8mHEhohzvs7Cf0NcVgtnsM1Bc8TYwIDAQAB",
    "default_locale": "en",
    "description": "__MSG_extDescription__",
    "icons": {
        "32": "icon_32.png",
        "48": "icon_48.png",
        "128": "icon_128.png"
    },
    "action": {
        "default_icon": "icon_32.png",
        "default_title": "__MSG_actionTitle__",
        "default_popup": "index.html"
    },
    "options_ui": {
        "page": "options.html",
        "open_in_tab": true
    },
    "background": {
        "service_worker": "background_script.js"
    },
    "content_scripts": [
        {
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*"
            ],
            "js": [
                "content_script.js"
            ],
            "run_at": "document_start"
        }
    ],
    "permissions": [
        "storage",
        "downloads",
        "tabs",
        "offscreen",
        "declarativeNetRequest",
        "declarativeNetRequestWithHostAccess"
    ],
    "host_permissions": [
        "http:\/\/*\/*",
        "https:\/\/*\/*"
    ],
    "declarative_net_request": {
        "rule_resources": [
            {
                "id": "image_host_referer",
                "enabled": true,
                "path": "dnr_rules.json"
            }
        ]
    }
}