Device Simulator & Tester

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Device Simulator & Tester",
  "version": "0.0.35",
  "description": "Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.",
  "action": {
    "default_icon": "./assets/icon-512.png"
  },
  "background": {
    "service_worker": "./dist/background/index.mjs"
  },
  "icons": {
    "16": "./assets/icon-512.png",
    "48": "./assets/icon-512.png",
    "128": "./assets/icon-512.png"
  },
  "permissions": [
    "declarativeNetRequest",
    "scripting",
    "storage",
    "webNavigation"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dist/contentScripts/style.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}