Compress PDFX format using C#

PDFX Compression Overview

With Aspose.ZIP for .NET, you can compress PDFX documents using a clean, fully managed C# API for server and desktop workflows. The API handles single items or directories, supports stream-based input, and gives control over compression settings and output structure. This is useful for archiving reports, manuals, or content collections. Archive PDFX data into ZIP, 7Zip, TAR, GZIP, and more with no third-party tools; encryption and password protection are available for sensitive content. This makes automation straightforward for build pipelines, backups, or content distribution workflows.

  PM> Install-Package Aspose.ZIP

C# Example: Create a ZIP Archive from PDFX Files

The snippet below shows the core API steps to compress a PDFX file: create an Archive object, add the entry, and save the resulting ZIP.

Compress PDFX file via .NET:

    var dir = "full directory path";
    using (var arch = new Archive())
    {
    arch.CreateEntry("filename.pdfx", dir+"file.pdfx");
    arch.Save(dir+"archived_result.zip");
    }

FAQ

Can I compress multiple PDFX files into a single ZIP archive using C#

1. Yes. Aspose.ZIP for .NET allows you to load and compress multiple PDFX files by adding each file as an entry to the Archive object. You can combine individual files, folders, or streams into a single ZIP archive through a straightforward C# workflow.

Does Aspose.ZIP for .NET reduce the original quality of PDFX files?

2. No. Aspose.ZIP performs lossless compression, meaning that the content and quality of your PDFX files remain unchanged. The library only reduces file size by applying efficient archive compression algorithms without altering the actual data inside the file.

Can I password-protect ZIP archives that contain PDFX files?

3. Yes. The library supports password protection and AES encryption, allowing you to securely package sensitive PDFX files. You can specify encryption settings when creating entries or during the archive-generation process.