YouTube Default Playback Speed

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "YouTube Default Playback Speed",
  "description": "Set the default playback speed for YouTube videos! Complete with hotkeys to manipulate the current video speed.",
  "version": "3.0.2",
  "permissions": [
    "storage",
    "tabs",
    "commands"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "images/youtube_playback16.png",
      "32": "images/youtube_playback32.png",
      "48": "images/youtube_playback48.png",
      "128": "images/youtube_playback128.png"
    }
  },
  "background": {
    "service_worker": "scripts/worker.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/content.js"
      ],
      "matches": [
        "https://www.youtube.com/watch*"
      ],
      "run_at": "document_end"
    }
  ],
  "commands": {
    "increment-speed": {
      "suggested_key": {
        "default": "Alt+Shift+Up"
      },
      "description": "Increase the speed of the current video by increment."
    },
    "decrement-speed": {
      "suggested_key": {
        "default": "Alt+Shift+Down"
      },
      "description": "Decrease the speed of the current video by increment."
    },
    "set-speed-1": {
      "suggested_key": {
        "default": "Alt+Shift+1"
      },
      "description": "Set the speed of the video in the current tab to 1x."
    },
    "set-speed-default": {
      "suggested_key": {
        "default": "Alt+Shift+2"
      },
      "description": "Set the speed of the video in the current tab to your specified default speed."
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "html/time_ui.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}