# Overview

The Viewing SDK is part of the Micro Focus KeyView suite of products. KeyView provides high-speed text extraction, conversion to web-ready HTML and well-formed XML, and high-fidelity document viewing.

The Viewing SDK enables you to build high-fidelity document viewing capabilities into your own applications. You can incorporate Viewing technology into your document management, web server, Internet or Intranet, groupware, information retrieval, email, or imaging applications. It enables your users to open, view, and print virtually any document, spreadsheet, presentation, graphic, or compression file, without having the native application or plug-in available.

Viewing SDK uses a standard Windows interface which integrates effectively using popular languages such as C++ (including Microsoft Foundation Classes), J#, and Visual Basic.

The SDK includes the following components:

- Viewing API (VAPI) – Windows messaging-based API

- Viewing ActiveX control (OCX) and .NET interface

- Sample programs

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