Page Ruler

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "version": "0.1.5",
    "name": "Page Ruler",
    "manifest_version": 3,
    "offline_enabled": true,
    "homepage_url": "https:\/\/mybrowseraddon.com\/page-ruler.html",
    "description": "Measure page elements size in pixel with an easy-to-use ruler.",
    "commands": {
        "_execute_action": []
    },
    "background": {
        "service_worker": "background.js"
    },
    "options_ui": {
        "open_in_tab": true,
        "page": "data\/options\/options.html"
    },
    "permissions": [
        "storage",
        "scripting",
        "activeTab"
    ],
    "action": {
        "default_title": "Page Ruler",
        "default_icon": {
            "16": "data\/icons\/16.png",
            "32": "data\/icons\/32.png",
            "48": "data\/icons\/48.png",
            "64": "data\/icons\/64.png"
        }
    },
    "icons": {
        "16": "data\/icons\/16.png",
        "32": "data\/icons\/32.png",
        "48": "data\/icons\/48.png",
        "64": "data\/icons\/64.png",
        "128": "data\/icons\/128.png"
    }
}