Examine source code of ScreenCapture Pro

{
  "manifest_version": 2,
  "name": "ScreenCapture Pro",
  "version": "1.0.1",
  "description": "Professional screenshot and screen recording tool with advanced editing. Capture, annotate, and record effortlessly.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "downloads",
    "<all_urls>",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "ScreenCapture Pro"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "commands": {
    "capture-visible": {
      "suggested_key": {
        "default": "Ctrl+Shift+S"
      },
      "description": "Capture visible area"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "screencapture-pro@extension.local",
      "strict_min_version": "109.0"
    }
  }
}