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.
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.
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