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The WinForms PDF Viewer control supports viewing and printing PDF files in WinForms applications. The hyperlink and table of contents provide easy navigation within and outside the PDF files.

WinForms PDF Viewer Overview

High performance

WinForms PDF Viewer Instant loading PDF files

Instant loading

The WinForms PDF Viewer control supports instant loading, It loads PDF files with thousands of pages instantly.

WinForms PDF Viewer Less run-time memory

Less runtime memory

On-demand loading and virtualization help the control hold only the minimum required pages at runtime to reduce memory consumption.

WinForms PDF Viewer Virtualized pages

Virtualized pages

Render pages on demand to help reduce initial load time when working with large documents.

Built-in toolbar

The WinForms PDF Viewer control comes with a powerful built-in toolbar to execute actions such as page navigation, text search, view mode, and printing. You can design your own toolbar with PDF Viewer APIs.

WinForms PDF Viewer Built-in toolbar

WinForms PDF Viewer Open PDF file

Open PDF files

Open and display PDF files, both normal and protected, with AES and RC4 encryption algorithms (password protected). Open PDF files from stream, file path, and PdfLoadedDocument objects.

Select and copy text

In PDF, text can be selected by clicking the mouse left button and copied by clicking copy on the context menu.

WinForms PDF Viewer Select and copy text in PDF Viewer

WinForms PDF Viewer Search text

Search text

Locate text easily in a PDF file.

The WinForms PDF Viewer control supports many types of internal and external navigations.

Bookmark navigation in PDF Viewer.

Bookmark navigation

Bookmarks saved in PDF files are loaded and made ready for easy navigation. You can enable and disable the bookmark feature from built-in toolbar.

Hyperlink navigation in PDF Viewer.

The hyperlink navigation feature enables navigation to URLs (website links) in PDF files. This also supports HyperlinkMouseOver and HyperlinkClicked events.

WinForms PDF Viewer Table of contents navigation

Table of contents navigation

The table of contents allows users to navigate to different sections listed in a PDF file.

The WinForms PDF Viewer control supports printing the loaded PDF files. It supports the following types of printing.

Printing using print dialog

Select the destination printer, number of copies, and other details in the print dialog to print PDF files. Click the print button to open the print dialog.

Silent batch printing

Print PDF files without user interaction continuously. This helps in batch printing multiple PDF files. The PrinterSettings property is used to enable the recommended settings for silent printing.


WinForms PDF Viewer Customization

Toolbar customization

The WinForms PDF Viewer control supports toolbar customization. Create a custom toolbar with the required options using built-in toolbar.

WinForms PDF Viewer Applying themes

Applying themes

Using various built-in themes, change the default appearance of control elements.

Right to left (RTL)

The WinForms PDF Viewer control supports RTL direction rendering for users working with right-to-left languages.

WinForms PDF Viewer RTL Support

WinForms PDF Viewer PDF to image

PDF to image

Convert pages of a PDF file into JPG, PNG, TIFF, BMP, and EMF formats. You can customize dimension and DPI.


Localize all static text within the PDF Viewer to any supported language. The application can be localized by including a resource file (Resx).

Localization in PDF Viewer.

WinForms PDF Viewer Code Example

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

using Syncfusion.Windows.Forms.PdfViewer;
namespace WindowsFormsApplication1
    public partial class Form1 : Form
        public Form1()
            PdfViewerControl pdfViewerControl = new PdfViewerControl();
            pdfViewerControl.Dock = DockStyle.Fill;


Frequently Asked Questions

The Syncfusion WinForms PDF Viewer provides the following:

  • High performance (instant loading, less runtime memory, virtualized pages).
  • Great viewing experience with magnification and view mode support.
  • Pages of a PDF document can be exported as images in any format.
  • Select and copy text in the PDF Viewer.
  • Search and highlight features.
  • Print documents without user interaction (silent printing).
  • Bookmarks and tables of contents to navigate with ease.
  • Highly configurable.
  • Simple configuration and API.
  • One of the best WinForms PDF Viewer in the market that offers a feature-rich UI.
  • Extensive demos and documentation to learn quickly and get started with WinForms PDF Viewer.

You can find our WinForms PDF Viewer demo on GitHub location.

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, 5 or fewer developers, and 10 or fewer total employees.

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

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