Start from the file you already have
A README is already Markdown. Upload README.md on the Markdown to PDF page, or paste it. Keep the title as the first heading so the PDF has a name.
Check the parts that wrap
Wide tables, long command lines, and badges are the usual problems. In the preview, pick a theme with a light background if the PDF will be printed. Shorten a table that runs off the page, or split a long install block into steps.
Export
- Confirm the preview shows the sections you want to share.
- Choose PDF and download. One export uses one credit.
- Open the file and check the first page, the code blocks, and the last heading.
The upload is temporary. It is not saved as a document you can reopen later. See what an upload touches.