Minim

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Minim",
  "description": "A minimal newtab for Chrome",
  "version": "3.0.105",
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}