We have found one software suitable in our database for this conversion.
Both .pdf and .prn files are used for printing purposes, just prepared for different machines. PRN format is often used for HP printers and some even prefer it to the standard PDF format, which makes users explore the options for pdf to prn conversion. You can certainly find utilities for this, but there won't be many. Ghostscript is a popular solution for this purpose.
Updated: August 30, 2023
PDF
A pdf file extension is mainly used for Adobe Portable document format, commonly referred to as PDF. All programs that create some sort of documents or projects offer the possibility to export their format to PDF format. A free PDF viewer (Adobe Reader) is available for download from Adobe website.
PRN
Files with prn extension can be usually encountered as various printer output files for HP printers. Typically created as an printer export when a HP printer is selected as an alternative to PostScript / PDF output.