Nope, or at least, not through any obvious paths I've ever seen, including testing just now. Also, both discord and imgur trimmed an image I uploaded to just t

Nope, or at least, not through any obvious paths I've ever seen, including testing just now. Also, both discord and imgur trimmed an image I uploaded to just the image data. Slack did not, however. I certainly wouldn't want to rely on that behavior, though.