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Frequently Asked Questions

Does PDFSecure have any dependencies on third party components/software?

PDFSecure is a completely stand-alone application and it does not include any dependencies on third-party components or software.

What is the difference between PDF SDK and PDFSecure?

PDFSecure is based on PDF SDK, Apryse's own core PDF programming technology. Our PDF SDK is a comprehensive developer library for PDF creation, manipulation and rendering, offered on a wide range of platforms and programming environments. If you require functionality for integration in your own applications beyond that which is provided as part of PDFSecure, or need more flexibility in implementing the required functionality, please contact a Apryse representative.

The main distinction between the two components is that PDFSecure is a specialized tool for adding, removing, or changing security settings, whereas PDF SDK is a general purpose Software Development Toolkit (SDK) that can be used to implement any type of manipulation on PDF documents (including security changes) as well as other types of PDF functionality.

The advantage of PDFSecure is that it is very simple to use and that it doesn't require much experience with PDF format or general programming. At the same time PDFSecure does not include all of the features and options that are available in PDF SDK.

Can I integrate PDFSecure with my client/server application?

PDFSecure has a simple-to-use CLI that can be easily integrated into third-party client and server-based applications. The CLI is available as a plain executable and can be easily accessed from any programming language (including C#, VB.NET, C/C++, Java, VB6, Perl, Python, Ruby, Delphi, etc). For more information on PDFSecure, please contact an Apryse representative at

I didn't find the answer to my question in the user manual. Are there any other helpful resources?

You may want to search the Apryse Knowledge Base forum or to simply forward your question to Apryse's technical support team via

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