Gaaiho PDF SDK

What is PDF SDK?

Built on our core PDF technology that has seen decades of evolution, Gaaiho PDF SDK is a powerful tool for developers who want to incorporate robust PDF functionalities into their applications.


Gaaiho PDF SDK provides complete C++ API, samples and documentation for building custom application. Optimized for desktop application, it enables develpers to create, convert, render, view, search, comment, protect, print and edit PDF documents.

In addition, we also provide three samples illustrating how to develop single-threaded application on Windows platform.

Gaaiho PDF SDK utilizes the same technology behind Gaaiho PDF solutions.

Windows only

Gaaiho PDF SDK supports the following operating systems:

  • Windows Server 2008 or higher / Windows 7 or higher
* The supplied package includes Windows 32-bit dynamic-link library (DLL) only.