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A library which lets you modify the structure of PDF files

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QPDF is a powerful library and a collection of utilities which will enable you to easily inspect and modify the structure of your PDF documents. The software is able to linearize and encrypt your PDF files and allows you to view the internal structure and components of a PDF document. Moreover, the utility enables you to perform a wide variety of operations and tasks, being a tool useful for both PDF developers and final users.

QPDF lets you work with multiple documents and include a series of advanced transformation options aimed mainly at power users. Options for debugging, inspecting and testing are included as well.


  • The program lets you view and manipulate the structure of PDF documents.
  • The application includes a collection of advanced features and options.


  • The program is not aimed at average users.
Developer | see all products from this developer
Product Homepage QPDF
License Free (Freeware)
Last Week Downloads 6
All Time Downloads 5,900
Filesize 1.3MB
MD5 Checksum 95A1FAB18A9887A2155E1BC7E5BF0B2F
OS Support Windows All
Category Developer Tools

100% CLEAN Certification

BadgeQPDF has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
QPDF October 29, 2016 - Latest Version
QPDF 5.1.1 March 18, 2014
QPDF 2.1.4 April 19, 2010

Download the free QPDF