PDF Viewer SDK: Industry leader trusted since 20+ years

.NET PDF Viewer SDK

GdPicture PDF Viewer SDK provides a strong PDF Viewer engine with a wide range of advanced features that can be used in .NET, WPF and WEB applications.

Add to your applications the capability to view, print, and annotate PDF documents, search, extract, highlight, convert pages to bitmap, navigate through bookmarks, and more. Fast speed, accuracy, and very high rendering quality.

Trusted since 15+ years, by 3000+ and Fortune500 companies, and 10K+ developers.

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.Net PDF Viewer SDK Main features

ASP.NET/HTML5 WebForm, WinForms (.NET & COM/ActiveX) and WPF controls.
Blazing fast rendering engine.
Display PDF from file, stream, memory RAW, byte array, string…
Display PDF from HTTP server or an FTP server.
High-quality rendering & printing.
Very fast PDF loading.
Full Unicode support.
PDF/A compliance.
PDF ISO 32000 (PDF 1.7) compliance.
Support for all font types: TrueType, Type0, Type1, Type3 & OpenType.
CJK font support.
Support for all compression schemes: LZW, Flate, RLE, CCITT Fax, JBIG2, DCT, JPEG-2000.
Support for pattern & shading.
Support for all color space: Gray, RGB, CMYK, LAB, ICC based, Indexed, Pattern, Separation, DeviceN.

Support for all text rendering modes: Filled, Stroked, Clipped.
Support for large PDF and large embedded bitmap.
Support for transparency.
Support for PDF annotations rendering (form fields).
Support for outline navigation & links.
Support for bookmarks.
Support for multiple printing orientations: landscape, portrait, automatic. All Printing Features.
Select any PDF page for viewing, printing or text extraction.
Support all encryption schemes (RC4 40-bit, RC4 128-bit, AES 128-bit & AES 256-bit).
Password support for encrypted PDF documents.
Select or extract text from a PDF (full-page content or the text within a specific area).
Search a PDF for a given text string.
Generate high quality thumbnails for quick preview.
Convert viewer coordinates to PDF coordinates and vice-versa.
Support for PDF 2.0.
And dozens of other features!

Test Out the Online PDF Viewer SDK

How to Use The .Net PDF Viewer SDK

Download and install GdPicture.NET package from here.

You will be able to find some compiled demo applications in
[Install directory]\Samples\Bin\

You will be able to find C# and VB.NET demo applications including source code in
[Install directory]\Samples\WinForm\

You will find other code snippets within the online reference guide found here
https://www.gdpicture.com/guides/gdpicture/

You can find some discussions about our PDF viewer SDK in the dedicated section of our community forums located here
Document Viewing

FAQs

The SDK is designed for seamless integration with various platforms, including .NET Framework, WPF, and web applications. It provides controls for ASP.NET/HTML5 WebForms, WinForms (.NET & COM/ActiveX), and WPF, ensuring versatility across different development environments.

While primarily focused on PDF documents, the SDK supports displaying and printing over 100 document and image formats, including Bitmaps, Metafiles, CAD, and Office formats. This extensive format support ensures compatibility with a wide range of document types.

Yes, the GdPicture.NET PDF Viewer SDK includes functionalities for text search and extraction. Users can search for specific text within PDF documents and extract text content as needed, facilitating efficient information retrieval and processing.

Absolutely. The SDK provides a comprehensive set of annotation tools, allowing users to add, edit, and manage annotations such as highlights, sticky notes, freehand drawings, and more. These features enhance collaboration and document review processes.

Yes, the SDK offers functionality to convert PDF pages into bitmap images. This feature is useful for applications requiring image representations of PDF content, such as thumbnail generation or image-based processing.

The GdPicture.NET PDF Viewer SDK is optimized for high performance, featuring a blazing-fast rendering engine and built-in adaptive caching with user action prediction. These optimizations ensure smooth and efficient handling of large and complex PDF documents.

Developers have extensive control over the viewer’s customization, including options to change the background color, select border styles, enable or disable scrollbars, and define mouse interactions. This flexibility allows for tailoring the viewer to meet specific application requirements and user preferences.

Check our other PDF technologies

PDF Editing

PDF Annotation & Collaboration

PDF Optimization

PDF/A Conversion

PDF Redaction

PDF Digital Signature

Tagged PDF

PDF Viewer SDK Comes With A Comprehensive File Format Support Beyond PDFs

GdPicture.NET’s PDF Viewer SDK supports a wide range of file formats, ensuring seamless integration into any document workflow. Beyond PDF files, our SDK enables viewing and processing of Microsoft Office documents (Word, Excel, PowerPoint), image formats (PNG, JPEG, BMP, TIFF), and even specialized industry formats.

Whether you’re handling technical diagrams, scanned archives, or digital contracts, our PDF SDK ensures best-in-class rendering quality for you to view PDF files. Developers can also extract text from various document types, making it easy to repurpose content or streamline workflows.

Cross-Platform Compatibility for Web, Desktop, and Mobile

Our PDF Viewer SDK delivers a consistent experience across web applications, desktop software, and mobile platforms, supporting Windows, Linux, and macOS, as well as mobile devices running Android and iOS.

Whether you’re building a web-based document viewer, a desktop PDF reader, or an integrated mobile solution, GdPicture.NET ensures smooth functionality with optimized performance across all platforms. The SDK is designed to load PDF documents quickly, regardless of file size, maintaining an intuitive user experience.

Customizable User Interface

GdPicture.NET’s viewer SDK is fully customizable, allowing developers to tailor the user interface to match branding and specific user workflows. Adjust UI elements, modify toolbar layouts, or integrate custom themes to create a cohesive document experience.

Whether you need a minimalist PDF reader or an advanced annotation and markup tool, our SDK adapts to your requirements. Businesses can enhance productivity by customizing navigation, search, and viewing modes to fit unique operational needs.

Advanced Search and Security Features

Searching within PDF documents is effortless with GdPicture.NET’s advanced search capabilities. Users can perform full-text searches, locate keywords with wildcards, and even conduct regular expression-based searches for pinpoint accuracy.

Security is a top priority—our SDK supports AES 256-bit encryption, password-protected PDFs, and role-based access control to ensure data privacy. Organizations handling sensitive information can comply with GDPR, HIPAA, and other industry regulations with ease.

Enhanced Navigation and Bookmarking Tools

For large PDF files, GdPicture.NET provides interactive navigation tools such as bookmarks, hyperlinks, thumbnail previews, and document outlines, ensuring efficient document browsing.

Our SDK supports interactive table of contents navigation, making it easy to jump between sections in complex documents. Whether reviewing legal contracts, research papers, or training manuals, users can quickly access the content they need.

Seamless Integration with Popular Frameworks and Platforms

Developers can effortlessly integrate GdPicture.NET’s PDF Viewer SDK into applications built with .NET, Java, JavaScript, React, Angular, Vue, and more.

The SDK also works with popular enterprise platforms such as Salesforce, SharePoint, and Microsoft 365, ensuring seamless collaboration. Detailed technical documentation and code samples are available to support easy implementation, helping developers accelerate development cycles and reduce time-to-market.

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