Xpdf is the original open source PDF viewer, first released in 1995.

Xpdf includes the Linux viewer application, as well as cross-platform command line tools for text extraction, PostScript conversion, and more.

Xpdf web site


XpdfWidget/Qt is a PDF viewer widget for the Qt framework. It can be used to embed a PDF viewer into your Qt application.

Supports Qt 4.x and Qt 5.x.

Available for source licensing.


Source Code Licensing

We offer source code licenses for Xpdf. License our high-quality C++ codebase, and add PDF support to your application.

Additional modules are available for:

  • Windows viewing/printing
  • DeviceN (CMYK + spot color) rasterization, including overprint simulation and color management
  • PDF split/merge

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Add PDF Functionality

Glyph & Cog offers a full line of software components designed to help you add PDF capability into your software.

We offer products for viewing, printing, text extraction, and more – on Windows, Mac, and Linux.

Glyph & Cog knows PDF!

full list of PDF libraries and components

Featured Product

PDFdeconstruct is a command-line tool that extracts PDF content into XML files.

Available for Windows, Mac, and Linux, as well as source licensing.

Contact us for an evaluation copy now.


Latest News

Now available: Glyph & Cog's PDFtoSVG converter.

PDFtoSVG is a command line tool, available for Windows, Mac, and Linux. Source licensing is also available.

Contact us for an evaluation copy, or for more information.