Write in Markdown and share it as a PDF that anyone can open. Rename the file in Finder and Renamable converts it right where it is. Nothing is uploaded.
Markdown.md
PDF.pdf
packing list.mdpacking list.pdf
Yes
How to do it.
Select packing list.md in Finder and press Return.
Change .md to .pdf and press Return. If Finder asks, choose “Use .pdf”.
Renamable converts it right there. The original goes to the Trash, or stays next to the new file if you prefer, and you can undo any conversion.