Screen Ruler: Measure The Web

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_EXT_NAME__",
  "description": "__MSG_EXT_DESCRIPTION__",
  "version": "1.5.3",
  "minimum_chrome_version": "116",
  "manifest_version": 3,
  "default_locale": "en",
  "permissions": [
    "scripting",
    "activeTab",
    "contextMenus",
    "commands",
    "storage",
    "offscreen",
    "declarativeContent",
    "sidePanel"
  ],
  "optional_permissions": [
    "downloads"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "scripts/patterns/*.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://extensionpay.com/*"
      ],
      "js": [
        "ExtPay.js"
      ],
      "run_at": "document_start"
    }
  ],
  "side_panel": {
    "default_path": "sidepanel/side-panel.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "24": "images/icon24.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "__MSG_EXT_NAME_SHORT__"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+R",
        "mac": "Alt+Shift+R"
      }
    },
    "select_parent": {
      "suggested_key": {
        "default": "Alt+Up",
        "mac": "Alt+Up"
      },
      "description": "Move selection to parent element."
    },
    "select_child": {
      "suggested_key": {
        "default": "Alt+Down",
        "mac": "Alt+Down"
      },
      "description": "Move selection to child element."
    },
    "save_screenshot": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "Take a screenshot of the highlighted area (PRO)."
    }
  }
}