No extension can magically list all unlisted videos from any channel. YouTube’s security is robust. However, a good extension can reveal unlisted videos that have been leaked (shared publicly elsewhere) or indexed in Google’s cache.
Only viewable by the uploader and explicitly invited accounts. No extension can bypass this.
that "digs" for unlisted videos of specific channels by randomly generating and testing video IDs against a specified channel identifier. UnlistedVideos.com show unlisted videos youtube extension
I can then recommend the for your system. Share public link
: Unlisted videos are often visible if they are part of a public playlist. Extensions can scan a channel's public playlists to find these "hidden" gems. No extension can magically list all unlisted videos
: On your own channel, you can use the YouTube Studio filter to see only unlisted content.
Many extensions designed for archival (like the Wayback Machine extension) can sometimes find the links to unlisted videos if they were once public, though dedicated "relist" tools are more direct. How to Install and Use a YouTube Extension Only viewable by the uploader and explicitly invited
Only the uploader and specific invited Google accounts can view the video.
Extensions such as "Tags for YouTube" or similar developer tools may display the "Unlisted" badge on a video thumbnail if you already have the link.
If you want to explore deeper or need help finding specific archived content, let me know.