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This high-performance and feature-rich .NET Core PDF framework for working with PDF files. It has a PDF creation and editing library that allows you to create, read, and edit PDF files programmatically in any .NET Core application. Its powerful conversion APIs make it easy to convert HTML, Word files, and images to PDF.

Overview diagram of .NET Core SDK PDF Library.

Why Syncfusion?

No server deployment fees

There are no distribution fees, per-server licensing fees, or royalties, which makes Essential PDF very cost-effective.

Blazing-fast performance

It’s optimized for usage in a server environment where speed and low memory usage is critical.

Powerful and comprehensive APIs

All the elements in a typical PDF document like text, formatting, images, shapes, and tables are accessible through a comprehensive set of APIs.

Proven PDF library

Over more than 15 years, Syncfusion’s .NET PDF library has become a mature and proven product.

Fully documented

The .NET Core PDF Library comes with extensive documentation, a Knowledge Base, and samples.


Use a single API across all platforms.

PDF: Create and Edit APIs

Create a PDF from the scratch with text, images, graphics, and more. Manipulate or edit an existing PDF with just a few lines of code.

PDF forms.

PDF forms

Create, read, fill, and flatten PDF form fields in AcroForms.

Merge and split.

Merge and split

Combine or merge different PDF files into one PDF file. Split a PDF file into different sub-documents quickly and accurately.

Edit and manipulate.

Edit and manipulate

Add text, images, graphics, or shapes, annotations, bookmarks, attachments, and stamps, and update a PDF by replacing fonts and images.



Syncfusion Essential PDF allows developers to build PDF security into their applications, spanning a range of low to high encryption standards.

Compress PDF files.

Compress PDFs

Compress or optimize PDF files to reduce file size.



Create stunning PDF tables with advanced customization, formatting, and styling.

For more information, please check our .NET Core PDF library features.

PDF conversions

Word to PDF

Word to PDF

Convert a Word document to PDF for printing and viewing in a portable format. Use various customization options like embedding fonts and export bookmarks.



Convert HTML from a URL, file, or string to a PDF. The converter offers full support for HTML tags, HTML5, CSS3, JavaScript, SVG, MHTML, and page breaks. It uses the popular rendering engine WebKit.

Image to PDF

Image to PDF

Convert many image formats such as JPEG, PNG, and SVG to PDF.

.NET Core PDF Code Example

Easily get started with the .NET Core PDF library using a few simple lines of C# code example as demonstrated below. Also explore our .NET Core PDF Library Example that shows you how to render and configure the .NET Core PDF.

//Create a new PDF document.
PdfDocument document = new PdfDocument();
//Add a page to the document.
PdfPage page = document.Pages.Add();
//Create PDF graphics for the page.
PdfGraphics graphics = page.Graphics;
//Set the font.
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
//Draw the text.
graphics.DrawString("Hello World!!!", font, PdfBrushes.Black, new Syncfusion.Drawing.PointF(0, 0));
//Save the document into stream.
MemoryStream stream = new MemoryStream();
//Close the document.

Frequently Asked Questions

The Syncfusion .NET Core PDF Library supports the following:

  • Secure your PDF with advanced encryption and digital signatures.
  • Extract text from your PDF files.
  • Utilize forms, stamps, tables, barcodes, splitting, and merging.
  • Create PDF files from scratch.
  • Open, modify, and save existing PDF files.
  • One of the best .NET Core PDF libraries on the market, offering a rich set of APIs to interact with the software.
  • Extensive demos, and documentation to learn quickly and get started with .NET Core PDF Library.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

Apart from .NET Core, the Syncfusion PDF Library supports platforms for web (Blazor, Flutter, ASP.NET MVC, and ASP.NET Web Forms), mobile (.NET MAUI (Preview), Flutter, Xamarin, and UWP), and desktop (Windows Forms, WPF, WinUI, .NET MAUI (Preview), Flutter, Xamarin, and UWP).

You can find our .NET Core PDF Frameworks demo here.


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

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