CopyScript — YouTube Transcript Copy

About

CopyScript adds a "Copy" button right next to YouTube's
  Like, Share, and Save buttons. One click copies the full
   video transcript to your clipboard — ready to paste
  into ChatGPT, Claude, Notion, or anywhere else.

  ✨ Features:
  • One-click transcript copy — no popups, no modals
  • Blends naturally with YouTube's native UI
  • Works with any subtitle language (Korean, English,
  Japanese, etc.)
  • Timestamps included with each line
  • Zero tracking, zero ads, zero data collection
  • Works on both light and dark YouTube themes
  • Automatic detection when navigating between videos
  (SPA support)

  📋 How to use:
  1. Open any YouTube video with subtitles/captions
  2. Click the "Copy" button next to Share/Save
  3. Paste anywhere (Cmd+V / Ctrl+V)

  🔒 Privacy:
  • No external API calls
  • No data leaves your browser
  • No analytics or tracking scripts
  • Open source — inspect the code yourself

  💡 Perfect for:
  • Pasting transcripts into AI tools (ChatGPT, Claude,
  Gemini)
  • Taking notes from educational videos
  • Creating summaries and study materials
  • Content creators analyzing competitor videos
  • Researchers and journalists

  CopyScript is lightweight (under 10KB), fast, and
  respects your privacy. It does one thing and does it
  well.