hover-dl

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "hover-dl",
    "version": "1.4",
    "description": "Hover over an image >250px, click icon to save. Also displays a info box with image file size.",
    "permissions": [
        "downloads"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ],
            "css": [
                "styles.css"
            ]
        }
    ],
    "icons": {
        "48": "icon.png",
        "128": "icon.png"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "icon.png"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}