Microsoft Windows PDF Library & SDK

Develop traditional .NET/WPF/WinForms desktop experiences, modern cross-platform UWP & Xamarin apps, or high-throughput server solutions in any language.

Drop-in .NET/WPF/WinForms Widgets

Embed slick out-of-the-box Windows controls to view, edit, create, and annotate PDF, Microsoft Office, and 30+ formats.

A Single Code Base

.NET Core and Xamarin allow .NET developers to write applications that are portable over Android, iOS, Linux, UWP, Windows, and macOS platforms while accessing the same robust C# API.

Power Windows Server Solutions

Generate Dynamic PDFs, and convert & optimize 30+ formats with the robust and high-throughput SDK. Works with C#/.NET, Java, Python, and other languages.

Unmatched Windows Support

Support all versions of Windows, from Windows XP all the way to Windows 10 and Windows Server 2019!

Vector XPS Printing

Enable high-quality and efficient printing using the only UWP PDF SDK that supports Windows XPS print path.

Virtual Print Driver

Convert any printable file format to PDF with the help of a built-in XPS printer driver, or create your own virtual printer.

Top Productivity Apps In The Windows App Store Use PDFTron

Drawboard, Xodo (PDFTron UWP SDK sample app)

Download Sample App

Hundreds of Features

Support current and future use cases with the most complete PDF & Office SDK on the market.

All Features

30+ File Formats

Support for 30+ file formats, including PDF, PDF/A, HTML, SVG, PNG, and Microsoft Office.

All File Formats

Documentation & Samples

Everything you need to quickly build a prototype, and for a great development experience.

Documentation

Using PDFTron

PDFTron is easy to get up and running with popular package managers and a few lines of code.

Creating an Annotation
Converting to Image
Text txtannot = Text.Create(doc, new Rect( 10, 20, 30, 40));

txtannot.SetIcon("UserIcon");
txtannot.SetContents("Hello world");
txtannot.SetColor(new ColorPt(0,1,0) );

txtannot.RefreshAppearance();
page.AnnotPushBack(txtannot);
View our guides, sample code, or API docs for more information

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