Open the site: PNG into PNG . Drag and drop PNG files to merge them online. Or just use a code sample in C# with a few lines of code. Install Aspose.Words for .NET. Add a library reference (import the library) to your C# project. Open the source PNG file in C#. Combine PNG files in a few seconds. Call the AppendDocument() method, passing an output filename with required extension. Get the result of merging PNG as a single file.

Why merge PNG together in C#?

Merging a group of PNG into one allows you to handle materials more effectively.

What output file formats can I use to combine PNG files?

We support a variety of output file formats for PNG merging, including PDF, DOCX, DOC, HTML, RTF, Markdown, XML, ODT, JPG, PNG, TIFF, TXT and many more.

What is the maximum PNG size supported by Aspose.Words for .NET?

There are no size limits to merge PNG files using Aspose.Words for .NET.

Merge PNG C#

Convert PNG in C#

C# library allows .NET developers to convert PNG images easily. PNG image conversion engine analyses the original PNG content, then exports the combined graphical content to the required format.

PNG image conversion may be tricky, unless you have a professional tool to do the job. Use C# to convert PNG images with maximum flexibility and speed. Run online live demo and check the highest image quality right in a browser. PNG Conversion API supports a bunch of useful options.

Merge PNG in C#

Enhance PNG image format capabilities with Aspose.Words for .NET. This is a simple way to combine PNG images with C# library that handles all low-level details.

Merge PNG images and save the result as a single file. If you develop code in C#, this will be simpler than it sounds. See C# example that iterates through PNG images and combines them:

Code example in C# to merge PNG files

Input files

Upload a file you want to merge

Run code

Upload a file you want to merge

Output format

Select the target format from the list

using Aspose.Words;

var fileNames = new List<string> { "Input1.png", "Input2.png" };

var doc = new Document();
var builder = new DocumentBuilder(doc);

var shapes = fileNames.Select(fileName => builder.InsertImage(fileName)).ToList();

// Calculate the maximum width and height and update page settings 
// to crop the document to fit the size of the pictures.
PageSetup pageSetup = builder.PageSetup;
pageSetup.PageWidth = shapes.Max(shape => shape.Width);
pageSetup.PageHeight = shapes.Sum(shape => shape.Height);
pageSetup.TopMargin = 0;
pageSetup.LeftMargin = 0;
pageSetup.BottomMargin = 0;
pageSetup.RightMargin = 0;

doc.Save("Output.png");

			

					Run code
				

You may freely download this code or copy it in any applicable purpose

How to merge PNG C#

Install Aspose.Words for .NET.
Add a library reference (import the library) to your C# project.
Open the source PNG file in C#.
Combine PNG files in a few seconds.
Call the AppendDocument() method, passing an output filename with required extension.
Get the result of merging PNG as a single file.

C# library to merge PNG files

There are three alternative options to install "Aspose.Words for .NET" onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

Install a NuGet Package. See Documentation
Install the library using Package Manager Console within Visual Studio IDE
Install the library manually using Windows Installer

System Requirements

Our product is fully cross-platform and supports all major .NET implementations:

.NET ≥ 5.0
.NET Core ≥ 2.0
.NET Standard ≥ 2.0
.NET Framework ≥ 3.5
MonoMac
MonoAndroid
Xamarin

As far as .NET code doesn't depend on the underlying hardware or operating system, but only on a Virtual Machine, you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop integrated development environments to create C#, F#, VB.NET applications.

Fore more details please refer to Product Documentation.

You can merge PNG to many other file formats: