Minimal New Tab Clock

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Minimal New Tab Clock",
  "version": "1.8.1",
  "description": "A simple, ultra-lightweight clock to replace your tab menu.",
  "author": "Aidan Jalali (Rainbowlemon)",
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "96": "img/icon96.png",
    "128": "img/icon128.png"
  },
  "offline_enabled": true,
  "incognito": "split",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "minimum_chrome_version": "88",
  "action": {
    "default_title": "New tab",
    "default_icon": "img/icon32.png",
    "default_popup": "popup.html"
  }
}