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+pdftopng(1)                 General Commands Manual                pdftopng(1)
+
+
+
+NAME
+       pdftopng  - Portable Document Format (PDF) to Portable Network Graphics
+       (PNG) converter (version 4.04)
+
+SYNOPSIS
+       pdftopng [options] PDF-file PNG-root
+
+DESCRIPTION
+       Pdftopng converts  Portable  Document  Format  (PDF)  files  to  color,
+       grayscale, or monochrome image files in Portable Network Graphics (PNG)
+       format.
+
+       Pdftopng reads the PDF file, PDF-file, and writes one PNG file for each
+       page,  PNG-root-nnnnnn.png,  where  nnnnnn is the page number.  If PNG-
+       root is '-', the image is sent to stdout (this is probably only  useful
+       when converting a single page).
+
+CONFIGURATION FILE
+       Pdftopng reads a configuration file at startup.  It first tries to find
+       the user's private config file, ~/.xpdfrc.  If that doesn't  exist,  it
+       looks  for  a  system-wide config file, typically /etc/xpdfrc (but this
+       location can be changed when pdftopng is built).  See the xpdfrc(5) man
+       page for details.
+
+OPTIONS
+       Many  of  the following options can be set with configuration file com-
+       mands.  These are listed in square brackets with the description of the
+       corresponding command line option.
+
+       -f number
+              Specifies the first page to convert.
+
+       -l number
+              Specifies the last page to convert.
+
+       -r number
+              Specifies the resolution, in DPI.  The default is 150 DPI.
+
+       -mono  Generate a monochrome image (instead of a color image).
+
+       -gray  Generate a grayscale image (instead of a color image).
+
+       -alpha Generate  an alpha channel in the PNG file.  This is only useful
+              with PDF files that have been  constructed  with  a  transparent
+              background.  The -alpha flag cannot be used with -mono.
+
+       -rot angle
+              Rotate pages by 0 (the default), 90, 180, or 270 degrees.
+
+       -freetype yes | no
+              Enable  or  disable  FreeType  (a TrueType / Type 1 font raster-
+              izer).  This defaults to "yes".  [config file: enableFreeType]
+
+       -aa yes | no
+              Enable or disable font anti-aliasing.  This defaults  to  "yes".
+              [config file: antialias]
+
+       -aaVector yes | no
+              Enable or disable vector anti-aliasing.  This defaults to "yes".
+              [config file: vectorAntialias]
+
+       -opw password
+              Specify the owner password for the  PDF  file.   Providing  this
+              will bypass all security restrictions.
+
+       -upw password
+              Specify the user password for the PDF file.
+
+       -verbose
+              Print  a status message (to stdout) before processing each page.
+              [config file: printStatusInfo]
+
+       -q     Don't print any messages or errors.  [config file: errQuiet]
+
+       -v     Print copyright and version information.
+
+       -h     Print usage information.  (-help and --help are equivalent.)
+
+EXIT CODES
+       The Xpdf tools use the following exit codes:
+
+       0      No error.
+
+       1      Error opening a PDF file.
+
+       2      Error opening an output file.
+
+       3      Error related to PDF permissions.
+
+       99     Other error.
+
+AUTHOR
+       The pdftopng software and documentation are copyright 1996-2022 Glyph &
+       Cog, LLC.
+
+SEE ALSO
+       xpdf(1),   pdftops(1),  pdftotext(1),  pdftohtml(1),  pdfinfo(1),  pdf-
+       fonts(1), pdfdetach(1), pdftoppm(1), pdfimages(1), xpdfrc(5)
+       http://www.xpdfreader.com/
+
+
+
+                                  18 Apr 2022                      pdftopng(1)