F12

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "A chrome extension to help a developer's life tab bit easier",
  "version": "2.0.4",
  "manifest_version": 3,
  "name": "F12",
  "sandbox": {
    "pages": [
      "sandbox.html"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon-34.png"
  },
  "icons": {
    "128": "icon-128.png"
  }
}