Office Server Document Converter (OSDC)

Antenna HouseFile Conversion Tools.NETJavaWindows DLL
Version V11.1 MR2 (Jun 17, 2026)

Convert Office documents server-side without Microsoft Office installed.

  • Supports conversion of Word, Excel, PowerPoint, and RTF files.
  • Outputs include PDF (including PDF/A and PDF 2.0), SVG, image files, and HTML.
  • Utilizes .NET, COM, Java, and C/C++ interfaces for integration.
Antenna House logo

Prices from:

Loading...
Available individuallyOur Price
Office Server Document Converter (OSDC)Loading

Trial version available Contact us for a free trial

Fast & accurate document conversions without the need for Microsoft Office or Adobe Software.
Office Server Document Converter (OSDC) is a server-side component designed to convert Microsoft Office and RTF files into PDFs, scalable vector graphics, images, and HTML. It operates independently of Microsoft Office or Adobe software, making it suitable for cloud and server environments that lack these applications. OSDC supports various programming interfaces, enabling seamless integration in enterprise systems.

Multi-format input support

OSDC accepts Microsoft Word, Excel, PowerPoint documents from versions 97 to 2024 including DOCX, XLSX, PPTX formats, along with RTF, PDF, and several image file types, enabling broad document compatibility server-side.

Versatile output options

It generates output in PDF (including PDF/A and compliant PDF 2.0), SVG, JPEG, PNG, TIFF, INX, XPS, and HTML formats. These outputs can be tailored for various use cases such as archiving, web display, and printing.

High-precision conversion engine

Leveraging over 30 years of experience, OSDC performs accurate formatting and layout conversions without Microsoft Office installed, handling complex page layouts across document types to produce faithful reproductions.

Direct conversion without application dependencies

OSDC does not rely on Microsoft Office automation or printer drivers, eliminating associated licensing concerns and risks often encountered with server-side conversions in cloud environments.

PDF features and standards compliance

Supports generation of Tagged PDFs, various PDF/A conformance levels for long-term preservation, encryption with AES128/256, password protection, and customized permissions for printing or copying. Also supports linearized PDFs optimized for web presentation.

Docx to HTML conversion

Includes a specialized engine to convert DOCX files to clean, easy-to-edit HTML or XHTML, enhancing document reuse and enabling multi-format publication workflows from a single DOCX source.

Flexible integration interfaces

Offers .NET, COM, Java, and C/C++ application programming interfaces enabling automation and integration into diverse server environments and enterprise applications.

Cloud and processor support

Compatible with Linux servers and supports ARM-based Amazon Graviton2 processors, facilitating deployment in modern cloud infrastructures without Microsoft or Adobe dependencies.

Support for bidirectional text and multilingual documents

Handles mixed right-to-left and left-to-right text flows, such as Arabic, Hebrew, and Latin scripts, ensuring correct display and formatting of complex multilingual documents.

Extensive conversion parameterization

Allows customization of conversion parameters including image resolutions, outline and bookmark hierarchy in PDFs, and sheet order selection for Excel, providing granular control over output characteristics.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET
  • Java
  • Windows DLL

.NET Version

  • .NET 8 LTS
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET Class

Java Platform

  • Java Class

IDE Support

  • Visual Studio