Combine PNG Images with C#

Application development frequently requires programmatically merging multiple PNG images together. Wordize for .NET delivers a professional solution for this task, enabling C# developers to generate composite PNG images with minimal code.

PNG Image Merging with C#

Automatic creation of collages from collections of PNG photos for web galleries
Programmatic generation of images for advertising banners
Combining charts and graphs into unified dashboards
Automating thumbnail and preview creation for product catalogs

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

Try the PNG image merging capabilities in our online demonstration. Upload several images, examine the C# code snippet, execute the PNG image merging function, and verify the professional quality of the result.

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Test Wordize SDK - upload multiple files and explore code example

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Select the target format from the list

using Wordize.Merging;
using Wordize.Saving;

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

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

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

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

using var file = File.Create($"Output.png");
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.png")
        .From("Input2.png")
        .To("Output.png", saveOptions)
        .Execute();
							using Wordize.Merging;

Merger.Create()
        .From("Input1.png")
        .From("Input2.png")
        .To("Output.png", SaveFormat.Png)
        .Execute();
			

					Run code
				

How to merge multiple PNG files in C#

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