1. Visit de YouTube profile. For example https://www.youtube.com/user/BBC.

  2. Show page source and find channelId.

  3. Add the channelId value to the end of this url: https://www.youtube.com/feeds/videos.xml?channel_id=.

Example: https://www.youtube.com/feeds/videos.xml?channel_id=UC16niRr50-MSBwiO3YDb3RA.

👉 Source