Merge Multiple Word into PDF with C#

Need to combine multiple Word files into a single PDF using C#? Wordize for .NET provides all the essential tools for programmatically merging Word files and saving the result in PDF format. This solution excels at automating Word file processing tasks, particularly important when working with large data sets.

Key Features of Wordize for .NET

Merge multiple Word into PDF with a single line of C# code
Preserve formatting and structure of source Word documents when converting to PDF format
High performance and stability when processing large volumes of data

The API is designed following C# programming best practices. No external dependencies and seamless integration allow you to quickly implement Word merging functionality into existing .NET projects without architectural changes.

Test the C# API for merging Word into PDF — use the interactive demonstration on this page. Upload several Word files, examine the ready-to-use C# code snippet, perform the Word merging operation, and evaluate the quality of the resulting PDF document.

Run code

Test Wordize SDK - upload multiple files and explore code example

Upload other documents for merging

Select the target format from the list

using Wordize.Merging;

Merger.Merge("Output.pdf", 
    [
        "Input1.docx", 
        "Input2.docx" 
    ]);
							using Wordize.Merging;

Merger.Merge("Output.pdf", 
    [
        "Input1.docx", 
        "Input2.docx" 
    ]);
							using Wordize.Merging;
using Wordize.Saving;

var imageStreams = Merger.MergeToImages(
    ["Input1.docx", "Input2.docx"], 
    new ImageSaveOptions(SaveFormat.Pdf) { PageLayout = MultiPageLayout.Vertical(10) },
    MergeFormatMode.KeepSourceFormatting
);

using var file = File.Create($"Output.pdf");
imageStreams[0].Position = 0;
imageStreams[0].CopyTo(file);
							using Wordize.Merging;
using Wordize.Saving;

ImageSaveOptions saveOptions = new ImageSaveOptions(saveFormat);
saveOptions.PageLayout = MultiPageLayout.Vertical(10);

Merger.Create()
        .From("Input1.docx")
        .From("Input2.docx")
        .To("Output.pdf", saveOptions)
        .Execute();
							using Wordize.Merging;

Merger.Create()
        .From("Input1.docx")
        .From("Input2.docx")
        .To("Output.pdf", SaveFormat.Pdf)
        .Execute();
			

					Run code
				

How to merge multiple Word into one PDF in C#

Integrate Wordize for .NET into your C# project
Call the Merge method, specifying the output file name and collection of input Word files as parameters. Formats will be automatically detected based on file extensions
Get the merged PDF file