About GroupDocs.Viewer for .NET

Document viewer API for rendering document formats to PDF, HTML or images.

GroupDocs.Viewer for .NET helps you create applications that can render and display documents and images in 90+ file ‎formats without installing any external software. The file viewer library rasterizes documents and then converts them to SVG/HTML/CSS for viewing business documents, images, ‎text files, diagrams, graphics, email attachments and PDF files. You can display ‎a whole document, a partial document, a specific page/cell range, an individual document layer, with or ‎without annotations and comments for supported formats.‎ GroupDocs.Viewer for .NET caches the output to the local disk by default. Any type of external cache storage is also supported by implementing appropriate interfaces – Amazon S3, Dropbox, Google Drive, Windows Azure, Redis or any other.

Supported File Formats

Microsoft Office, OpenDocument and text formats

  • Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM, RTF, TXT
  • Excel: XLS, XLSX, XLSM, XLSB, XLTM, XLT, XLTM, XLTX
  • PowerPoint: PPT, PPTX, PPS, PPSX, PPSM, POT, POTM, POTX, PPTM
  • Project: MPP, MPT, MPX
  • Outlook: MSG, EML, EMLX, PST, OST
  • OneNote: ONE
  • OpenDocument: ODT, OTT, ODS, ODP, OTP, OTS, ODG
  • Fixed Page Layout: PDF, TEX, XPS, OXPS
  • e-Books: EPUB, MOBI, DjVu
  • Delimiter-Separated Values: CSV, TSV

Images, Graphics & Diagrams

  • Raster images: BMP, GIF, JPG, PNG, TIFF, WebP, DNG, DIB, Jpeg2000 family
  • Windows Icon: ICO
  • Scalable Vector Graphics: SVG, CDR, CMX, IGS, SVGZ
  • Adobe Photoshop: PSD, PSB
  • Stereo Lithography (3D Printing): STL
  • Medical Imaging: DICOM
  • Plotter Documents: PLT, HPG
  • Autodesk Design Web Formats: DWF, DWG
  • AutoCAD Drawing: DWT, IFC, STL, CF2

Other

  • Web: HTML, MHT, MHTML, XML
  • Metafile: WMF, EMF, CGM, EMZ, WMZ
  • Visio: VSD, VDX, VSS, VSSX, VSX, VST, VSTX, VTX, VSDX, VDW, VSTM, VSSM, VSDM
  • Project: MPP, MPT, MPX
  • PostScript: PS, EPS
  • Archives: ZIP, TAR, BZ2, GZ, RAR, RAR5
  • Other: VCF, VCARD, NUMBERS, NSF, OBJ
  • C/C++/C# Files: C, CC, C# , CPP, CXX, CS, H, HH, M, MM
  • Java/JavaScript Files: JAVA, JS, JSON, PROPERTIES

GroupDocs.Viewer for .NET Features

  • View documents in HTML - Convert document of any type into a HTML document with CSS and SVG, which can be displayed in any modern web-browser.
  • Rasterize documents - Rasterize any supportable document format to the raster image, with adjustable image format and compression quality.
  • Render and highlight programming codes - Support of all popular programming, scripting, and markup languages, with ability to parse and highlight their syntax.
  • Convert to PDF - Document of any supportable format can be easily converted and saved to the PDF with adjustable options.
  • Apply transformations - Output document can be transformed during rendering - pages can be rotated and/or rearranged, and text watermark may be placed atop of them.
  • HTML output adjustment - Output HTML documents, generated by the GroupDocs.Viewer, can be tuned very finely: it is allowed to save to the stream or file, with external or embedded resources, callbacks and so on.
  • Support of complex document structures - GroupDocs.Viewer supports not only the single documents, but also files, which internally contain a list or hierarchical structure of documents, like email messages with attachments, ZIP archives with internal files within folders, multi-page TIFF images, and so on.
  • Optimization options - GroupDocs.Viewer contains an adjustable cache subsystem, which can fasten the loading time by using the cached versions of the documents. Also a set of different options for different formats allows to exclude some unnecessary parts or aspects of documents from the rendering (fonts, hidden worksheets, email attachments) to optimize the overall performance.
  • Support of password-protected documents - GroupDocs.Viewer allows you to open the encrypted documents of different types: PDF, WordProcessing, Spreadsheet, Presentation, and other, by specifying a password in the loading options.