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Download C# DLL for Document Merging via .NET API

GroupDocs.Merger for .NET is a full-featured, native API to manipulate and merge documents within any .NET application. It permits developers to develop applications with the ability to merge multiple documents into a single one. It allows to split, reorder, remove or combine pages to a document of supported format. API also manages security features with password protection capability to remove or set passwords to any supported document.

Release Notes Download

Get Started

Open NuGet package manager, search for GroupDocs.Merger and install. You may also use the following command from the Package Manager Console.

Install

To install please execute Install-Package GroupDocs.Merger from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Merger assembly in your project.

PM>

     Install-Package GroupDocs.Merger

Update

If you already have GroupDocs.Merger for .Net and want to upgrade it, please execute Update-Package GroupDocs.Merger to get the latest version.

PM>

     Update-Package GroupDocs.Merger

Document Merger .NET API

This .NET on-premise API lets your apps perform merging, trimming, reordering, swapping and lots of other operations on document pages of various file formats.

Content

Document Merging and Splitting
Document Security and Protection
Page-Level Manipulation
Cross-Format Merging and Embedding
Document Conversion
Platform Independence and Performance
Integration and Support Resources
Specialized Document Processing
Supported Audio Types
Supported Archive Types
Supported cross-merging Document Types
Supported Image Types
Supported Document Types
Platform Independence
Get Started
Merging DOCX Documents
Swapping Pages in a PDF Document
Reordering Pages in a PPTX Presentation
Tags

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Document Merging and Splitting

Merge Multiple File Types
Effortlessly merge files across different formats like PDF, DOCX, XLSX, PPTX, and EPUB into one cohesive document, simplifying document management.

Custom Document Splitting
Easily split documents into multiple files based on specified page numbers, start/end ranges, or even/odd page settings, allowing for tailored document management.

Merge Image to PDF/JPEG
Convert and merge multiple images into a single PDF or JPEG document, maintaining high-quality output with customizable compression levels for optimal storage and display.

Merge XLSX Files
Allows developers to merge XLSX files without third-party software, preserving all content.

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Document Security and Protection

Robust Password Management
Secure your documents by adding, removing, or updating passwords seamlessly, ensuring sensitive data remains protected.

Remove Password Protection
Effortlessly remove passwords from protected documents, simplifying access for authorized users while maintaining document integrity.

Comprehensive Document Security
Manage and protect your documents with features designed to add, update, or remove security settings, ensuring that your content remains secure at all times.

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Page-Level Manipulation

Dynamic Page Reordering
Reorder pages within your documents to create a customized sequence, perfect for organizing presentations, reports, or any multi-page document.

Precise Page Rotation
Rotate pages within your document to 90, 180, or 270 degrees, ensuring that every page is presented exactly as needed.

Page Removal and Extraction
Remove unwanted pages or extract specific pages from your document, streamlining content to meet specific needs and reducing unnecessary bulk.

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Cross-Format Merging and Embedding

OLE Document Embedding
Embed documents within other documents (e.g., Word, Excel, PDF into PowerPoint or Diagram) using OLE technology, enhancing presentations and diagrams with rich, integrated content.

Seamless Cross-Format Merging
Merge different document formats into a single, unified document, perfect for consolidating content from various sources into one accessible file.

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Document Conversion

HTML to Document Conversion
Merge and convert multiple HTML pages into a single document, preserving all web content, including text, images, and forms, ideal for archiving web pages or creating eBooks.

Image to PDF/JPEG Conversion
Convert and merge various image files into a high-quality PDF or JPEG document, maintaining image fidelity while enabling easier distribution and printing.

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Platform Independence and Performance

Cross-Platform Flexibility
Deploy GroupDocs.Merger across multiple operating systems (Windows, Linux, Mac OS) and develop applications in .NET environments like ASP.NET, WCF, and WinForms, ensuring broad compatibility.

No External Dependencies
Operate independently of third-party software like Microsoft Office, reducing costs and simplifying deployment with a fully self-contained document processing solution.

Optimized for High Performance
Handle thousands of files efficiently with a solution designed for high performance, tested to ensure minimal resource usage and maximum processing speed.

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Integration and Support Resources

Extensive Code Samples and Documentation
Access comprehensive code examples and detailed documentation on GitHub, allowing developers to quickly implement and customize features.

Unlimited Technical Support
Benefit from unlimited technical support, with both free and paid options available, ensuring that any issues are resolved quickly and efficiently.

Free Online Tools and Apps
Try out GroupDocs.Merger features with free online apps for document merging, allowing potential users to experience the power and ease of the tool before integrating it into their workflow.

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Specialized Document Processing

Batch Document Processing
Perform batch operations like merging or splitting multiple documents at once, increasing productivity and efficiency in handling large volumes of files.

Document Metadata Management
Extract, edit, or remove metadata from documents, ensuring that sensitive information is managed or cleaned as needed before sharing or archiving.

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Supported Audio Types

The following table indicates the file formats that GroupDocs.Merger can work with.

Format	Description	Join	Split	Cross-format audio merging
WAV	WAV Audio File	✔️
MP3	MP3 Audio File	✔️

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Supported Archive Types

The following table indicates the file formats that GroupDocs.Merger can work with.

Format	Description	Join	Split	Cross-format archive merging
ZIP	ZIP Archive File	✔️		✔️
TAR	TAR Archive File	✔️		✔️
RAR	RAR Archive File		✔️
7Z	7Z Archive File	✔️		✔️
GZ	GZ Archive File
BZ2	BZ2 Archive File

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Supported cross-merging Document Types

The following table indicates the file formats that GroupDocs.Merger can work with.

Format	Description	Cross-format merge inside family	Cross-format merge to PDF / XPS	Cross-format merge to DOC / DOCX
DOC	Microsoft Word Document	✔️	✔️	✔️
DOCX	Microsoft Word Open XML Document	✔️	✔️	✔️
DOCM	Word Open XML Macro-Enabled Document	✔️	✔️
DOT	Word Document Template	✔️	✔️
DOTX	Word Open XML Document Template	✔️	✔️
DOTM	Word Open XML Macro-Enabled Document Template	✔️	✔️
RTF	Rich Text Format File	✔️	✔️
ODT	OpenDocument Text Document	✔️	✔️
OTT	OpenDocument Document Template	✔️	✔️
HTML	Hypertext Markup Language File		✔️
MHT	MHTML Web Archive
MHTML	MIME HTML
PDF	Portable Document Format File		✔️	✔️
XPS	XML Paper Specification File		✔️	✔️
TEX	LaTeX Source Document		✔️	✔️
EPUB	Open eBook File		✔️	✔️
PS	PostScript File
PPT	Microsoft PowerPoint 97-2003 Presentation	✔️	✔️
PPTX	Microsoft PowerPoint Presentation	✔️	✔️
PPS	Microsoft PowerPoint 97-2003 Slide Show	✔️	✔️
PPSX	Microsoft PowerPoint Slide Show	✔️	✔️
ODP	OpenDocument Presentation	✔️	✔️
OTP	OpenDocument Presentation Template	✔️	✔️
XLS	Microsoft Excel 97-2003 Worksheet	✔️	✔️
XLSX	Microsoft Excel Worksheet	✔️	✔️
XLSB	Microsoft Excel Binary Worksheet	✔️	✔️
XLSM	Microsoft Excel Macro-Enabled Worksheet	✔️	✔️
XLT	Microsoft Excel Template File	✔️	✔️
XLTX	Excel Open XML Spreadsheet Template	✔️	✔️
XLTM	Excel Open XML Macro-Enabled Spreadsheet Template	✔️	✔️
XLAM	Excel Open XML Macro-Enabled Add-in	✔️	✔️
ODS	OpenDocument Spreadsheet	✔️	✔️
VSDX	Microsoft Visio Drawing	✔️
VSDM	Microsoft Visio Macro-Enabled Drawing	✔️
VSSX	Microsoft Visio Stencil	✔️
VSSM	Microsoft Visio Macro-Enabled Stencil	✔️
VSTX	Microsoft Visio Template	✔️
VSTM	Microsoft Visio Macro-Enabled Template	✔️
VDX	Microsoft Visio 2003-2010 XML Drawing	✔️
VSX	Microsoft Visio 2003-2010 XML Stencil	✔️
VTX	Microsoft Visio 2003-2010 XML Template	✔️
ONE	Microsoft OneNote
TXT	Plain Text File	✔️
ERR	Error Log File	✔️
CSV	Comma Separated Values File	✔️
TSV	Tab Separated Values File	✔️
JPG	JPG Image File	✔️	✔️
JPEG	JPEG Image File	✔️	✔️
BMP	Bitmap Image File	✔️	✔️
PNG	Portable Network Graphics	✔️	✔️
GIF	Graphical Interchange Format	✔️	✔️
TIF	Tagged Image Format		✔️
TIFF	Tagged Image File Format		✔️
SVG	Scalar Vector Graphics	✔️	✔️
SVGZ	Compressed Scalar Vector Graphics	✔️	✔️
ZIP	ZIP Archive File	✔️
TAR	TAR Archive File	✔️
RAR	RAR Archive File
7Z	7Z Archive File	✔️
GZ	GZ Archive File
BZ2	BZ2 Archive File

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Supported Image Types

The following table indicates the file formats that GroupDocs.Merger can work with.

Format	Description	Join	Split	Extract pages	Cross-format image merging	Cross-format merge to PDF
JPG	JPG Image File	✔️		✔️	✔️
JPEG	JPEG Image File	✔️		✔️	✔️
BMP	Bitmap Image File	✔️		✔️	✔️
PNG	Portable Network Graphics	✔️		✔️	✔️
GIF	Graphical Interchange Format	✔️		✔️	✔️
TIF	Tagged Image Format	✔️	✔️	✔️		✔️
TIFF	Tagged Image File Format	✔️	✔️	✔️		✔️
SVG	Scalar Vector Graphics	✔️		✔️	✔️
SVGZ	Compressed Scalar Vector Graphics	✔️		✔️	✔️
EMF	Windows Enhanced Metafile	✔️		✔️	✔️
EMZ	Windows Compressed Enhanced Metafile	✔️		✔️	✔️

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Supported Document Types

To simplify the table into smaller sections, I’ll group similar entries together into multiple tables. Here’s the breakdown:

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Word Document Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Change page orientation	Import document	Cross-format merge to PDF / XPS	Cross-format merge to DOC / DOCX
DOC	Microsoft Word Document	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
DOCX	Microsoft Word Open XML Document	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
DOCM	Word Open XML Macro-Enabled Document	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
DOT	Word Document Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
DOTX	Word Open XML Document Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
DOTM	Word Open XML Macro-Enabled Document Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Rich Text and OpenDocument Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Import document	Cross-format merge to PDF / XPS
RTF	Rich Text Format File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
ODT	OpenDocument Text Document	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
OTT	OpenDocument Document Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Web and PDF Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Change page orientation	Rotate pages	Import document	Cross-format merge to PDF / XPS	Cross-format merge to DOC / DOCX
HTML	Hypertext Markup Language File	✔️	✔️	✔️	✔️	✔️	✔️	✔️				✔️
MHT	MHTML Web Archive	✔️	✔️	✔️	✔️	✔️	✔️	✔️
MHTML	MIME HTML	✔️	✔️	✔️	✔️	✔️	✔️	✔️
PDF	Portable Document Format File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XPS	XML Paper Specification File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️		✔️	✔️	✔️

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Presentation Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Change page orientation	Import document	Cross-format merge to PDF / XPS	Cross-format merge to DOC / DOCX
PPT	Microsoft PowerPoint 97-2003 Presentation	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
PPTX	Microsoft PowerPoint Presentation	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
PPS	Microsoft PowerPoint 97-2003 Slide Show	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
PPSX	Microsoft PowerPoint Slide Show	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
PPTM	Microsoft PowerPoint Macro-Enabled Presentation	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Spreadsheet Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Import document	Cross-format merge to PDF / XPS	Cross-format merge to DOC / DOCX
XLS	Microsoft Excel 97-2003 Worksheet	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLSX	Microsoft Excel Worksheet	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLSB	Microsoft Excel Binary Worksheet	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLSM	Microsoft Excel Macro-Enabled Worksheet	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLT	Microsoft Excel Template File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLTX	Excel Open XML Spreadsheet Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLTM	Excel Open XML Macro-Enabled Spreadsheet Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
XLAM	Excel Open XML Macro-Enabled Add-in	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
ODS	OpenDocument Spreadsheet	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Visio® Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Import document
VSDX	Microsoft Visio Drawing	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSDM	Microsoft Visio Macro-Enabled Drawing	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSSX	Microsoft Visio Stencil	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSSM	Microsoft Visio Macro-Enabled Stencil	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSTX	Microsoft Visio Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSTM	Microsoft Visio Macro-Enabled Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VDX	Microsoft Visio 2003-2010 XML Drawing	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VSX	Microsoft Visio 2003-2010 XML Stencil	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
VTX	Microsoft Visio 2003-2010 XML Template	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Miscellaneous Formats

Format	Description	Password protection	Join	Split	Extract pages	Move page	Remove pages	Swap pages	Import document
ONE	Microsoft OneNote	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
TXT	Plain Text File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
ERR	Error Log File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
CSV	Comma Separated Values File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️
TSV	Tab Separated Values File	✔️	✔️	✔️	✔️	✔️	✔️	✔️	✔️

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Platform Independence

GroupDocs.Merger for .NET does not require any external software or third-party tool to be installed. GroupDocs.Merger for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:


External Dependencies	GroupDocs.Merger for .NET does not require any external software or third-party tool to be installed.
Operating System Support	GroupDocs.Merger for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed.
Microsoft Windows®	Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
Mac OS	Mac OS X
Linux	Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments	Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks	GroupDocs.Merger for .NET supports .NET and Mono frameworks.

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Get Started

Are you ready to give GroupDocs.Merger for .NET a try? Simply execute Install-Package GroupDocs.Merger from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Merger assembly in your project. If you already have GroupDocs.Merger for .Net and want to upgrade it, please execute Update-Package GroupDocs.Merger to get the latest version.

Please check the GitHub Repository for other common usage scenarios.

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Merging `DOCX` Documents

This code demonstrates how to merge two DOCX documents into a single file using GroupDocs.Merger.

string filePath1 = @"c:\sample1.docx";
string filePath2 = @"c:\sample2.docx";
string filePathOut = @"c:\output\merged.docx";

using (Merger merger = new Merger(filePath1))
{
    merger.Join(filePath2);
    merger.Save(filePathOut);
}

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Swapping Pages in a `PDF` Document

This code snippet shows how to swap two pages within a PDF document, demonstrating the flexibility of GroupDocs.Merger in managing page layouts.

string filePath = @"c:\sample.pdf";
string filePathOut = @"c:\output\swapped.pdf";
int pageNumber1 = 2;
int pageNumber2 = 5;

using (Merger merger = new Merger(filePath))
{
    merger.SwapPages(pageNumber1, pageNumber2);
    merger.Save(filePathOut);
}

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Reordering Pages in a `PPTX` Presentation

This example illustrates how to reorder pages in a PowerPoint® presentation by specifying a custom page order.

string filePath = @"c:\sample.pptx";
string filePathOut = @"c:\output\reordered.pptx";
int[] pageOrder = { 3, 1, 2 }; // New order for pages

using (Merger merger = new Merger(filePath))
{
    merger.ReorderPages(pageOrder);
    merger.Save(filePathOut);
}

Direct Download

GroupDocs.Merger for .NET 24.10 Cross-Platform

This contains the MSI installer of GroupDocs.Merger for .NET 24.10 Cross-Platform

Added: 15/10/2024 Downloads:

Download C# DLL for Document Merging via .NET API

Get Started

Install

Update

Document Merger .NET API

Content

Document Merging and Splitting

Merge Multiple File Types

Custom Document Splitting

Merge Image to PDF/JPEG

Merge XLSX Files

Document Security and Protection

Robust Password Management

Remove Password Protection

Comprehensive Document Security

Page-Level Manipulation

Dynamic Page Reordering

Precise Page Rotation

Page Removal and Extraction

Cross-Format Merging and Embedding

OLE Document Embedding

Seamless Cross-Format Merging

Document Conversion

HTML to Document Conversion

Image to PDF/JPEG Conversion

Platform Independence and Performance

Cross-Platform Flexibility

No External Dependencies

Optimized for High Performance

Integration and Support Resources

Extensive Code Samples and Documentation

Unlimited Technical Support

Free Online Tools and Apps

Specialized Document Processing

Batch Document Processing

Document Metadata Management

Supported Audio Types

Supported Archive Types

Supported cross-merging Document Types

Supported Image Types

Supported Document Types

Word Document Formats

Rich Text and OpenDocument Formats

Web and PDF Formats

Presentation Formats

Spreadsheet Formats

Visio® Formats

Miscellaneous Formats

Platform Independence

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Merging DOCX Documents

Swapping Pages in a PDF Document

Reordering Pages in a PPTX Presentation

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Merging `DOCX` Documents

Swapping Pages in a `PDF` Document

Reordering Pages in a `PPTX` Presentation