Flexible and powerful development tools for implementation of high-performance solutions of many PDF software applications, like the Windows Store Apps or ZUGFeRD, XRechnung & Factur-X.
EU-compliant invoice generation according to standard EN 16931 with the PDF SDK: ZUGFeRD, XRechnung as well as Factur-X – All versions and profiles! Also for .NET! Mandatory since 2025.
The Perfect PDF® & Print product family permits you the foolproof editing of existing PDF files – like a text processing program.
You can get updated apps for Windows 10 for the extensive work of documents in the Windows Store. Tutorials of the apps are available on our Youtube Channel.

PDF Xpansion SDK 17 — New generation, usable from Windows 10 & Windows Server 2016!
Perfect PDF® 12 — Desktop software for processing PDF documents & e-invoices!
Perfect PDF® Apps — For cross-device viewing, printing & converting of PDF, PDF/A & XPS documents!
There are interesting discounts on our PDF software every month!
Soft Xpansion Products worldwide
Reference Customers & Details on the PDF SDK
Major companies like HUK-Coburg, ThyssenKrupp, Bundesdruckerei (German Federal Printing Office) and many others are satisfied customers of our PDF Xpansion SDK (Software Development Kit for portable document formats – PDF, PDF/A, XPS) who have enjoyed their diverse advantages for years. Thanks to our flexible pricing, you only pay for the PDF Xpansion SDK components that you actually need. Any questions? Just contact us.