Package xpdf

A PDF file viewer for the X Window System

http://www.xpdfreader.com/

Xpdf is an X Window System based viewer for Portable Document Format
(PDF) files. Xpdf is a small and efficient program which uses
standard X fonts.

General Commands

pdftopng Portable Document Format (PDF) to Portable Network Graphics (PNG) converter (version 4.02)
xpdf Portable Document Format (PDF) file viewer (version 4.02)

File Formats

xpdfrc configuration file for Xpdf tools (version 4.02)