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This high-performance and feature-rich .NET PDF framework works without Adobe dependencies. It has a PDF creation and editing library that allows you to create, read, and edit PDF files programmatically in any .NET application. It offers PDF viewer controls to view, review, and print PDF files. Its powerful conversion APIs make it easy to convert HTML, Word, Excel, PowerPoint, and images to PDF.

Overview diagram of .NET SDK PDF Framework.

Why Syncfusion?

No server deployment fees

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

Blazing-fast performance

It’s optimized for usage in a server environment where speed and low memory usage are 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 PDF Framework comes with extensive documentation, a knowledge base, and samples.


Use a single API across all platforms.

PDF: Creating and editing APIs

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

C# PDF forms.

PDF forms

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

.NET Merge PDFs.

Merge PDFs

Combine or merge different PDF files into one PDF file.

C# Split PDFs.

Split PDFs

Split a PDF file into different sub-documents quickly and accurately.

Edit and manipulate .NET PDF

Edit and manipulate

Add text, images, graphics, shapes, annotations, bookmarks, and stamps, and change a PDF file by replacing fonts and images.

.NET PDF Security.


Build PDF security into an application, spanning a range of low-to-high encryption standards.

Compress PDF files in .NET

Compress PDFs

Compress or optimize PDF files to reduce file size.

.NET PDF Tables.


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

.NET PDF Redaction

Redact PDFs

Permanently remove sensitive or confidential information from PDF documents.

.NET OCR Process


Converts scanned paper document in the form of PDF files or images into searchable, editable data.

Viewing PDFs

Interactively view PDF files, annotate them, and fill out fields in PDF forms within an application.

High performance .NET PDF

High performance

Load documents with thousands of pages instantly. Enjoy a seamless scrolling experience. The virtualized pages utilize less runtime memory.

C# Fill PDF forms

Fill PDF forms

Fill, edit, save, and print interactive PDF form fields easily.

Annotate or review .NET PDF.

Annotate or review PDFs

Effortlessly add or edit ink, free text, and text markup (highlight, underline, strike-through) annotations in a PDF document, interactively.

C# PDF Easy page navigation.

Easy page navigation

Interactively or programmatically navigate pages from options in a built-in toolbar. Users can also navigate pages in a single document using bookmarks and a table of contents.

Print .NET PDFs

An enhanced printing experience allows users to print an entire PDF document or customized ranges of PDF pages.

C# Accurate PDF rendering

Accurate PDF rendering

The Syncfusion PDF Viewer accurately renders PDF pages for viewing them seamlessly in your applications. It also provides APIs to convert the pages of a PDF file into JPG, PNG, TIFF, and BMP formats. Raster image exporting supports customizing image dimensions and DPI.

PDF conversions

Word to PDF conversion in .NET

Word to PDF

Convert a Word document to PDF for printing and viewing in a portable format. Use various customization options like embedding fonts, PDF conformance levels A-1B and X-1A2001, and exporting bookmarks.

Excel to PDF conversion in .NET

Excel to PDF

Convert an Excel workbook or worksheet to PDF format. Use various customization options like embedding fonts, ignoring empty pages or worksheets, and showing or hiding headers or footers.

HTML to PDF conversion in .NET


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 popular rendering engines such as Internet Explorer (IE), WebKit, and Blink (Chromium project).

PowerPoint to PDF conversion in .NET

PowerPoint to PDF

Convert a PowerPoint presentation to PDF. The conversion can be customized with handouts and pages for notes.

XPS to PDF conversion in .NET


Convert fixed document formats such as XML paper specification (XPS) and open XML paper specification (OXPS) to PDF without using a printer.

Image to PDF conversion in .NET

Image to PDF

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

Real-time examples

Generate documents easily and quickly for a wide range of industries and businesses. With these available examples, users can create their own document right away.

.NET PDF Code Example

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

PdfDocument document = new PdfDocument(); //Create a new PDF document
PdfPage page = document.Pages.Add();  //Add a page
PdfGraphics graphics = page.Graphics;  //Create Pdf graphics for the page
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 36);  //Set the font
graphics.DrawString("Hello world!", font, PdfBrushes.Black, new PointF(20, 20)); //Draw the text
MemoryStream ms = new MemoryStream();  //Saving the PDF to the MemoryStream

Other supported frameworks

The PDF processing is also available in Blazor, .NET Core, Xamarin, UWP, Flutter, WinUI, and .NET MAUI frameworks. Check it out on other platforms at the links below:

Our Customers Love Us

Having an excellent set of tools and a great support team, Syncfusion reduces customers’ development time.
Here are some of their experiences.

Rated by users across the globe

Frequently Asked Questions

  • Create and edit PDF files with text and graphics with just a few lines of code.
  • Open, modify, save, and compress files in .NET PDF Framework.
  • Redact text and images, encrypt and decrypt documents, merge multiple documents, and split PDF files using advanced standards.
  • Easily view PDF files within your application.
  • Convert HTML, Word, Excel, PowerPoint, and image files to PDF. Convert .NET PDFs to 20+ of the most common formats.
  • Has support to convert PDF to Excel by using tabula extractor.
  • Easily ensure files adhere to PDF/X1-A, PDF/A1-B, PDF/A3-B, and PDF/A1-B conformances.
  • One of the best .NET PDF libraries on the market, offering a rich set of APIs to interact with the software.
  • Digitally sign and validate signatures in PDF files.
  • Interactively view PDF files, annotate them, and fill out fields in PDF forms within an application.
  • Take advantage of extensive demos, documentation, and videos to get started quickly with the .NET PDF Framework.

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.

The Syncfusion PDF Framework supports platforms for web (Blazor, Flutter, ASP.NET Core, ASP.NET MVC, and ASP.NET Web Forms), mobile (.NET MAUI, Flutter, Xamarin, and UWP), and desktop (Windows Forms, WPF, WinUI, .NET MAUI, Flutter, Xamarin, and UWP).

You can find our PDF Framework demo here.



Syncfusion’s file format components helped me create the reports I needed, fast. – J. Pereira, Software Developer.

The libraries have been built from scratch and refined for more than a decade to provide blazing-fast performance, comprehensive API, and compatibility across the latest and older versions of these files.

CONTINUE READING View all Customer Stories


Syncfusion File Format Libraries - Manipulate Excel, Word, PowerPoint, and PDF files

Read and write Excel, Word, PDF, and PowerPoint files. Also includes integrated visualization capabilities. Advanced features include support for pivot tables, pivot charts, mail-merge, and extensive formatting.


Succinctly Series: Statistics Using Excel Succinctly

Succinctly Series: Statistics Using Excel Succinctly

- by Charles Zaiontz


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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