I would like to send a binary (PDF) file through a channel that supports plain text only.
Is there a multi-platform standard tool that will convert the binary file into a chunk of plain text so that I can send it in this form, and have the other user transform it back to binary afterwards?
uuencode? See: https://en.wikipedia.org/wiki/Uuencoding – njuffa Sep 28 '19 at 18:53