YouTube TimeSlider

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "YouTube TimeSlider",
  "description": "Set persistent start and end times for any YouTube video.",
  "version": "3.3",
  "manifest_version": 3,
  "permissions": [
    "storage"
  ],
  "optional_permissions": [
    "downloads"
  ],
  "background": {
    "service_worker": "/background/background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "run_at": "document_start",
      "css": [
        "/content/content.css",
        "/res/nouislider.min.css"
      ],
      "js": [
        "/content/content.js",
        "/res/nouislider.min.js"
      ]
    }
  ],
  "action": {
    "default_popup": "/popup/popup.html",
    "default_icon": {
      "16": "/images/icon16.png",
      "32": "/images/icon32.png",
      "48": "/images/icon48.png",
      "128": "/images/icon128.png"
    }
  },
  "icons": {
    "16": "/images/icon16.png",
    "32": "/images/icon32.png",
    "48": "/images/icon48.png",
    "128": "/images/icon128.png"
  }
}