Thinktab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Thinktab",
  "description": "Thinktab allow user to customize chrome new tab with unlimited shortcut urls and background images.",
  "version": "1.11",
  "manifest_version": 3,
  "icons": {
    "16": "/img/index.png",
    "32": "/img/index.png",
    "48": "/img/index.png",
    "128": "/img/index.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "activeTab"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Click here to show the popup to add or remove the current url from shortcut."
  },
  "background": {
    "service_worker": "service_worker.js"
  }
}