manifest.json

{
  "manifest_version": 3,
  "name": "win",
  "version": "1.0",
  "description": "win",
  "action": {
    "default_title": "工具Win",
    "default_popup": "popup.html"
  },
  "icons": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "clipboardRead",
    "clipboardWrite",
    "tabs", "storage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": ["http://*/*", "https://*/*"],
      "css": ["styles.css"],
      "all_frames": true
    }
  ],
  "commands": 
    {
      "custom_command": {
        "suggested_key": {
          "windows": "Ctrl+K",
          "mac": "Ctrl+K"
        },
        "description": "Run custom command"
      }
    }
}