How to convert several JPG into PNG?

Open the site: JPG into PNG . Drag and drop JPG files to quickly convert them into PNG. 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 JPG file in C#. Convert several JPG files into PNG in a few seconds. Call the AppendDocument() method, passing an output filename with PNG extension. Get the result of conversion JPG into PNG.

Why convert several JPG into PNG in C#?

Converting a group of JPG to a single PNG allows you to handle materials more effectively.

What output file formats can I use to merge JPG files?

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

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

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

C# Merge JPG To PNG

Convert JPG to PNG in C#

Modern C# library allows .NET developers to convert JPG to PNG image format with a few lines of code. JPG image conversion engine analyses the original graphical content, and exports the combined picture to PNG format.

Use C# to convert JPG to PNG image format with maximum flexibility and speed. Run online live demo and check the highest PNG image quality right in a browser. JPG Conversion API supports a bunch of useful options.

Merge JPG to PNG in C#

To convert several JPG to PNG just use C# library that handles all low-level details.

Convert multiple JPG images and save the result as a single PNG image. If you develop code in C#, image format conversion will be simpler than it sounds. See C# example that iterates through image files and combines them into PNG:

Code example in C# to combine multiple JPG to PNG

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

dotnet add package Aspose.Words

Copy

using Aspose.Words;

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

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 JPG to PNG C#

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

C# library to convert several JPG into PNG

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 JPG to many other file formats: