DevExpress.Document.Processor 25.2.5

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DevExpress Document Processing APIs for .NET

This cross-platform .NET library allow you to generate and manage documents and barcodes in code:

  • Work with rich text docs (Word), spreadsheets (Excel), presentations (PowerPoint), and PDF files.
  • Generate, edit, sign, convert, and print documents.
  • Build applications without Microsoft Office or Adobe dependencies.
  • Generate barcodes.

DevExpress Document Processing APIs are compatible with the following operating systems and platforms:

  • Windows, Linux, macOS
  • .NET 8/9/10, .NET Framework 4.6.2+
  • Azure, AWS, Docker

Included Components

Word Processing Document API

The DevExpress Word Processing Document API allows you to manage rich text documents:

  • Generate or edit document content
  • Specify character and paragraph formatting
  • Protect documents
  • Use Mail Merge to create personalized messages and reports
  • Print and export
  • And much more

Get Started with DevExpress Word Processing Document API

//Load a Word file, add text watermark, and export to PDF
using var wordProcessor = new RichEditDocumentServer();
wordProcessor.LoadDocument("wordFile.docx");
wordProcessor.Document.WatermarkManager.SetText("CONFIDENTIAL");
MemoryStream pdfStream = new MemoryStream();
wordProcessor.ExportToPdf(pdfStream);

PDF Document API

The DevExpress PDF Document API allows you to manage PDF documents in code:

  • Generate or edit document content
  • Merge or split files
  • Password-protect documents
  • Digitally sign PDF files
  • And much more

Get Started with DevExpress PDF Document API

//Load a PDF file, encrypt it, and specify access permissions
using var pdfProcessor = new PdfDocumentProcessor();
pdfProcessor.LoadDocument("pdfDocument.pdf");
PdfEncryptionOptions encryptionOptions = new PdfEncryptionOptions();
encryptionOptions.DataExtractionPermissions = PdfDocumentDataExtractionPermissions.NotAllowed;
encryptionOptions.OwnerPasswordString = "OwnerPassword";
encryptionOptions.UserPasswordString = "UserPassword";
encryptionOptions.Algorithm = PdfEncryptionAlgorithm.AES256;
MemoryStream pdfEncryptedStream = new MemoryStream();
pdfProcessor.SaveDocument(pdfEncryptedStream, new PdfSaveOptions() { EncryptionOptions = encryptionOptions });

Excel Spreadsheet API

The DevExpress Spreadsheet Document API allows you to manage Excel files in code:

  • Generate or edit document content
  • Analyze and visualize data
  • Add formulas to cells
  • Password-protect documents
  • Digitally sign spreadsheets
  • Print and export worksheets
  • And much more

Get Started with DevExpress Spreadsheet API

//Load an Excel workbook, calculate formulas, and export to PDF
using var workbook = new Workbook();
workbook.LoadDocument("spreadsheetFile.xlsx");
workbook.Calculate();
MemoryStream pdfStream = new MemoryStream();
workbook.ExportToPdf(pdfStream);

Barcode Generation API

The DevExpress Barcode Generation API allows you to generate barcodes:

  • Create 1D or 2D barcodes - over 30 types total
  • Change orientation, color, quality, and other settings
  • Export to image or PDF
  • And more

Get Started with DevExpress Barcode API

Code Example

Install the NuGet package

dotnet add package DevExpress.Document.Processor

Convert multiple files to PDF and merge into a single file

//Load a Word file and export to PDF
using var wordProcessor = new RichEditDocumentServer();
wordProcessor.LoadDocument("wordFile.docx");
MemoryStream docStream1 = new MemoryStream();
wordProcessor.ExportToPdf(docStream1);
docStream1.Position = 0;

//Load an Excel workbook and export to PDF
using var workbook = new Workbook();
workbook.LoadDocument("spreadsheetFile.xlsx");
MemoryStream docStream2 = new MemoryStream();
workbook.ExportToPdf(docStream2);
docStream2.Position = 0;

//Merge two PDF documents into a single file
using var pdfProcessor = new PdfDocumentProcessor();
pdfProcessor.CreateEmptyDocument();
pdfProcessor.AppendDocument(docStream1);
pdfProcessor.AppendDocument(docStream2);
MemoryStream mergedPdfStream = new MemoryStream();
pdfProcessor.SaveDocument(mergedPdfStream);
mergedPdfStream.Position = 0;

Licensing

DevExpress Document Processing APIs are included in the following DevExpress subscriptions:

Free 30-day evaluation period is available.

DevExpres.Docs.Presentation - DevExpress Document Processing APIs for PowerPoint presentations.

dotnet add package DevExpress.Docs.Presentation

DevExpress.AIIntegration.Docs - AI-powered Extensions for DevExpress Document Processing APIs.

dotnet add package DevExpress.AIIntegration.Docs

Documentation | Demo | What's New | Blog | Support & Feedback

Showing the top 20 packages that depend on DevExpress.Document.Processor.

Packages Downloads
DevExpress.Document.Processor.es
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
15
DevExpress.Document.Processor.ru
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
12
DevExpress.Document.Processor.ja
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
12
DevExpress.Document.Processor.de
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
10
DevExpress.Document.Processor.ja
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
9
DevExpress.Document.Processor.es
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
9
DevExpress.Document.Processor.de
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
8
DevExpress.Document.Processor.es
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
8
DevExpress.Document.Processor.ja
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
8
DevExpress.Document.Processor.de
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
7
DevExpress.Document.Processor.es
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
7
DevExpress.Document.Processor.ja
The DevExpress Office File API is a powerful .NET library that allows you to fully automate common document processing tasks and use-case scenarios. It includes the Spreadsheet Document API, Word (RTF) Document API, PDF Document API, and other Office-inspired components. Use the Office File API library to create, load, modify, save, and print rich text documents, spreadsheets, and PDF files, convert measurement units, generate barcodes, and compress data.
7
DevExpress.Document.Processor.de
Target Platform/Framework: Desktop, Web, Mobile DevExpress Product Libraries Used: .NET Office File API (https://www.devexpress.com/officefileapi) Available in the following DevExpress Subscription(s): Universal, Office File API
3

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25.2.5 1 3/4/2026
25.2.4 0 2/3/2026
25.2.3 6 12/28/2025
25.1.9 1 3/4/2026
25.1.8 1 1/20/2026
25.1.7 2 12/28/2025
25.1.6 2 12/17/2025
25.1.5 2 12/17/2025
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24.1.3 14 7/24/2024
23.1.6 14 12/1/2023
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21.2.3 11 6/19/2023