Use a YouTube API key from the Google Developer's Console.
Paste YouTube URLs containing a username or channel ID (not channel name), or podcast RSS feed URL. One URL per line.
Paste a Nextcloud share link to a file containing the channel listing. NOTE: server must send appropriate CORS header.
Note: the API key & other data entered will be saved in your browser's local storage and may be visible to other users of this computer.
FreshTube on Github