How to convert several PNG into PDF?

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

Why convert several PNG into PDF in C#?

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

What output file formats can I use to merge 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.

C# Merge PNG To PDF

Convert PNG to PDF in C#

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

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

Merge PNG images into PDF in C#

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

Convert multiple PNG images and save the result as a single PDF document. 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 one PDF document:

Code example in C# to combine multiple PNG to PDF

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.png", "Input2.png" };

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

foreach (string fileName in fileNames)
{
    builder.InsertImage(fileName);
    // Insert a paragraph break to avoid overlapping images.
    builder.Writeln();
}

doc.Save("Output.pdf");

			

					Run code
				

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

How to merge PNG to PDF C#

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

C# library to convert several PNG into PDF

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: