Royalty Free PDF Viewer SDK for .NET
PDF Viewer SDK for .NET is a .NET library where developers can embed the customizable .NET control into any .NET WinForm application. This allows developers to no longer have to rely on external viewers for displaying or interacting with PDF documents. Built on the our PDF rendering engine, it provides proven efficiency and reliability.

PDF Viewer SDK for .NET is a compact and sophisticated component for viewing PDF documents. The PDF Viewer component allows the creation of applications that offer the user restricted functionality only. This can be used to suppress saving or printing, for instance.

The component is also available as OCX (ActiveX). It can be integrated in many types of application such as rich clients and web applications.
Product Name
License Type
Price (USD)
PDF Viewer SDK
for .NET
Developer License
Highlighted features of the PDF Viewer SDK for .NET include:
  • Royalty-free distribution of the PDF Viewer SDK runtime files with your software. No runtime licenses are required.
  • Display PDF document from a disk file or HTTP server.
  • Password support for Protected/Encrypted PDF documents.
  • Generate thumbnails for preview.
  • Zoom / Stretch an image using a bicubic interpolation algorithm for high-quality displaying.
  • Use the panning tool, area selection tool and auto zoom tool to perform any kind of action.
  • Scroll through multi-page PDF files (go to next page, previous page, last page, first page or custom page number).
  • Send selected pages to a printer.
  • Enable or Disable the built-in context menu that gives the end user a wide range of tools.
  • Catch any kind of event, including mouse & keyboard events, paint & display events, and zoom events.
  • Display Without Toolbars.
  • Customize the Viewing Window.
  • Display Form Field Content (Flattens Fields).
  • Navigate to specific Pages.
  • Retrieve Outlines (Bookmarks).
  • Search and Highlight Keywords.
  • Retrieve Page Count.
  • Retrieve Document Properties (Title, Author, Keywords, etc.).
  • Display pages individually or continuously
  • Show and hide outline (bookmark), page navigation and scroll bar views
  • Select page view, Adjust to page width, Adjust to page size, Actual size, Freely selectable zoom level
  • Display two pages side by side
  • Rotate and display the page
  • Show and apply annotations
  • Supports links (internal or URL)
  • Display raster images such as TIFF, JPEG, PNG, GIF, etc.

Adding PDF Viewer Control to a .NET Windows Form:

  1. Create or open a C# Windows Form application in Visual Studio 2010.
  2. Open the Toolbox (Ctrl + Alt + X).
  3. If PDF Viewer tab is not present in the Toolbox.
  4. Right click inside the Toolbox and select "Choose Items…".
  5. Click "COM Coponents" tab.
  6. Click on the "Browse..." button and add the "pdfview.ocx" file.
  7. From the Toolbox, drag the PDF Viewer Control onto the form.
  8. Select the control and set its Name property to "ePDFViewer".
PDF Viewer SDK for .NET Screenshot
PDF Viewer OCX
PDF Viewer SDK for .NET Example Source Code:
PDF Viewer SDK for .NET is very easy to use, after adding the PDF Viewer Control to the form, use the following C# or VB.NET code to open a PDF from a file path.
PDF Viewer SDK for .NET example in C# source code,

ePDFViewer.OpenPDF("D:\\test.pdf", "UserPassword", "OwnerPassword");

Technical details:
Input formats Input formats
  • PDF (Portable Document Format)
  • PDF/A (PDF for Archiving)
  • TIFF (Tagged Image File Format)
  • Multi-page TIFF (Tagged Image File Format)
  • JPEG (Joint Photographic Expert Group)
  • PNG (Portable Network Graphics)
  • GIF (Graphics Interchange Format)
  • BMP (Window Bitmap)
  • PCX (ZSoft IBM PC Paintbrush file)
  • TGA (Truevision Targa image)
  • PBM, PGM, PPM, PNM (Portable bitmap format)
  • WMF (Windows Metafile)
  • EMF (Microsoft Enhanced Metafile)
  • PSD (Adobe Photoshop File Format)
  • FAX (Group 3 TIFF)
Product variants
  • Windows Desktop
  • API, DLL, COM, ActiveX (programming interface)
Development requirements:
  • Microsoft Windows XP, Vista, 7, 8, 8.1, 10 (32-bit and 64-bit) or laters.
  • Microsoft Windows Server 2003, 2008, 2012 (32-bit and 64-bit) or laters.
  • Development environments: Microsoft Visual Studio .NET 2005, 2008, 2010, 2012, 2013, 2015, etc.
  • Programming languages: VB.NET, C#, any .NET, VB, C/C++, Visual C++ (MFC), Borland Delphi, J#, PHP, ASP, VBScript, Java, Javascript, Python, Perl, Ruby etc. compatible languages.
  • Development platforms: .NET, WinForms, WPF, ASP.NET WebForms, ASP.NET MVC, etc.

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