Examine source code of Instant Transcripts

{
  "manifest_version": 3,
  "name": "Transcript.you — Instant Transcripts",
  "short_name": "Transcript.you",
  "version": "1.0.0",
  "description": "Get a clean, exportable transcript of any YouTube or TikTok video in one click. Works on watch pages and shorts.",
  "permissions": [
    "contextMenus",
    "tabs",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://*.youtube.com/*",
    "*://youtu.be/*",
    "*://*.tiktok.com/*"
  ],
  "action": {
    "default_title": "Open transcript on Transcript.you",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "transcript-you@transcript.you",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/watch*",
        "*://*.youtube.com/shorts/*",
        "*://*.tiktok.com/@*/video/*",
        "*://*.tiktok.com/t/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  }
}