Difference between revisions of "Xpdf"

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= Development Activity =
 
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Revision as of 17:42, 12 November 2013

Open source PDF viewer that includes PDF information extractor and font analyzer
Homepage:http://www.foolabs.com/xpdf/home.html
License:GPL


Description

Xpdf is an open source PDF viewer that includes command-line information extractor and font analyzer utilities. The following utilities are particularly relevant to digital preservation:

  • pdfinfo: prints the contents of the ‘Info’ dictionary (plus some other useful information) from a Portable Document Format (PDF) file. In addition, the following information is printed:

tagged (yes/no) ===

form (AcroForm / XFA / none) ===

page count ===

encrypted flag (yes/no) ===

print and copy permissions (if encrypted) ===

page size ===

file size ===

linearized (yes/no) ===

PDF version ===

metadata (only if requested)

  • pdffonts: lists the fonts used in a Portable Document Format (PDF) file along with various information for each font

The following information is listed for each font:

name the font name, exactly as given in the PDF file (potentially ===

including a subset prefix)

type the font type

emb “yes” if the font is embedded in the PDF file

sub “yes” if the font is a subset

uni “yes” if there is an explicit “ToUnicode” map in the PDF file ===

(the absence of a ToUnicode map doesn’t necessarily mean that ===

the text can’t be converted to Unicode)

User Experiences

Development Activity