GroupDocs.Viewer for .NET is a powerful document viewer API that supports over 170 file types and enables .NET developers to easily render files to various formats, such as PDF, HTML, JPG, or PNG. With this API, you can seamlessly render a wide range of file types, including popular OpenDocument and Microsoft Office formats like DOCS, XLSX, and PPTX, as well as specialized CAD and graphic editor files like DWG, DXF, PSD, AI, and CDR.
GroupDocs.Viewer is a class-library that enables you to build file viewer applications for mobile, web, and desktop platforms using C#, F#, or VB.NET. It supports rendering over 170 popular file formats in HTML, PNG, JPEG, and PDF. Our library is self-sufficient and doesn't depend on any third-party software, such as Microsoft Word, OpenOffice, and other office suites.
Windows: Microsoft Windows XP and later, Microsoft Windows Server 2003 and later.
Linux: Ubuntu, OpenSUSE, CentOS and others.
Mac OS X Catalina (10.15) and later.
If you build applications for Linux and macOS, we recommend using GroupDocs.Viewer.CrossPlatform package instead of this one. GroupDocs.Viewer.CrossPlatform does not use on System.Drawing.Common as a graphical subsystem, which is only supported on Windows.
See the Supported file formats documentation topic for a complete list of supported formats.
Getting Started
To get started with GroupDocs.Viewer first you have to install the package using the command for your tool that you can find at the beginning of this page.
You can run the following code snippets in C# to see how our library works. Also feel free to check out the GitHub Repository for other common use cases.
Render PDF to HTML
using GroupDocs.Viewer;
using GroupDocs.Viewer.Options;
// Instantiate viewer
using (var viewer = new Viewer("resume.pdf"))
{
// Set output HTML options, one file per page
var viewOptions = HtmlViewOptions.ForEmbeddedResources("page{0}.html");
// Render PDF to HTML with embedded resources
viewer.View(viewOptions);
}
Render PPTX to PDF
using GroupDocs.Viewer;
using GroupDocs.Viewer.Options;
// Instantiate viewer
using (var viewer = new Viewer("solution.pptx"))
{
// Set output PDF options
var viewOptions = new PdfViewOptions("solution.pdf");
// Render PPTX to PDF
viewer.View(viewOptions);
}
Render DOCX to PNG
using GroupDocs.Viewer;
using GroupDocs.Viewer.Options;
// Instantiate viewer
using (var viewer = new Viewer("flyer.docx"))
{
// Set output PDF options
var viewOptions = new PngViewOptions("page{0}.png");
// Render DOCX to PNG
viewer.View(viewOptions);
}
Support
Our technical support is available to all users, including those evaluating our product. We offer assistance through our Free Support Forum and Paid Support Helpdesk. Let us know if you have any questions or issues, and we'll do our best to help you.
