Apparently the "Show HN" prefix would be appropriate here [0]. And this kind of a service is usually called a pastebin [1].

[0] https://news.ycombinator.com/newsfaq.html

[1] https://en.wikipedia.org/wiki/Pastebin

Thanks for the heads up! I update the title to show the appropriate tag. I'm familiar with the term pastebin, but this is not limited to just text and I do feel like pastebin.com has taken ownership of the term so I wanted to avoid confusion.