Document Viewer and Converter for ASP.NET MVC and WebForms

  • View almost any document type (60+ file formats, including PDF & Microsoft Office).
  • HTML5 Zero-footprint viewer.
  • Convert between document types.


Universal web document viewer which works on both desktop and mobile browsers.

Crystal-clear zooming. High resolution rendering, preserving text and graphics (no rasterization) exactly as they are in the original.

Fast document loading, the whole document is not loaded at once, document pages are loaded as you are about to view them.

Search text within document. Navigate with bookmarks/outlines.

Change page layout modes (e.g. single page or facing pages), rotate pages and view on full screen.

Print, download original or download as PDF inside the viewer.

Secure document viewing, copy protection (DRM). Viewed documents are encrypted so they are copy-protected out of the box. Ability to disable downloading the original document or replicating it via printing or selecting and copying text.

Watermark document pages with text or image. Customize the watermarks with wide range of options e.g. position, size, rotation, opacity, color.

Pre-higlight keywords in the document, e.g. if you launch the document viewer from a search results page, you can higlight the searched keywords.

Self-contained conversion engine, no external dependencies, e.g. you don't need to install Microsoft Office on your server.

Single managed DLL which works both on 32-bit and 64-bit for hassle-free development and deployment.

Supports being used in desktop or console applications for converting between document formats. Only the document viewer is dependant on web applications.

Supported Formats

Format Extensions View on web Convert from Convert to
Digital Paper Formats:
Adobe Portable Document Format (PDF).pdf
Microsoft XML Paper Specification (XPS).xps
Microsoft Open XML Paper Specification (OpenXPS).oxps
Electronic Publication (EPUB).epub
DocumentUltimate Web Viewer Format (XPZ).xpz
Microsoft Word Formats:
Microsoft Word Document.docx
Microsoft Word Macro-Enabled Document.docm
Microsoft Word Template.dotx
Microsoft Word Macro-Enabled Template.dotm
Microsoft Word 97-2003 Document.doc
Microsoft Word 97-2003
Rich Text Document.rtf
Microsoft Excel Formats:
Microsoft Excel Worksheet.xlsx
Microsoft Excel Macro-Enabled Worksheet.xlsm
Microsoft Excel Binary Worksheet.xlsb
Microsoft Excel 97-2003 Worksheet.xls
Microsoft Excel Comma Separated Values File.csv
Microsoft PowerPoint Formats:
Microsoft PowerPoint Presentation.pptx
Microsoft PowerPoint Slide Show.ppsx
Microsoft PowerPoint 97-2003 Presentation.ppt
Microsoft PowerPoint 97-2003 Slide Show.pps
Microsoft Visio Formats:
Microsoft Visio Drawing.vsdx
Microsoft Visio 2003-2010 Drawing.vdx
Microsoft Visio 2010 Web Drawing.vdw
Microsoft Visio 2003-2010 Stencil.vsx
Microsoft Visio 2003-2010 Template.vtx
Microsoft Visio 2003-2010 Drawing.vsd
Microsoft Visio 2003-2010 Stencil.vss
Microsoft Visio 2003-2010 Template.vst
Microsoft Project Formats:
Microsoft Project Document.mpp
Microsoft Project Template.mpt
Microsoft Outlook Formats:
Microsoft Outlook E-mail Message.eml
Microsoft Outlook Item.msg
Apple Mail E-mail File.emlx
OpenDocument Formats:
OpenDocument Text.odt
OpenDocument Text
OpenDocument Spreadsheet.ods
OpenDocument Spreadsheet Template.ots
OpenDocument Presentation.odp
OpenDocument Presentation Template.otp
Markup Formats:
HyperText Markup Language (HTML).html, .htm
Mime HTML (MHTML).mht, .mhtml
Web Directory (One HTML file per page).web
Text Formats:
Plain Text Document.txt
AutoCAD Formats:
AutoCAD Drawing (R13 to 2016).dwg
AutoCAD Drawing Interchange (R12 to 2016).dxf
Scanner Image Formats:
Tagged Image File Format (TIFF).tif, .tiff
Deja Vu (DjVu).djvu
Digital Imaging and Communications in Medicine (DICOM).dcm
Vector Image Formats:
PostScript (PS).ps
Scalable Vector Graphics (SVG).svg
Windows Enhanced Metafile (EMF).emf
Extensible Application Markup Language (XAML).xaml
Raster Image Formats:
Adobe Photoshop Document (PSD).psd
Joint Photographic Experts Group (JPEG).jpg, .jpeg, .jpe, .jfif
JPEG 2000 (JP2).jp2, .jpf, .jpx, .j2k, .j2c, .jpc
JPEG XR (HD Photo).jxr, .wdp, .hdp
Portable Network Graphics (PNG).png
Graphics Interchange Format (GIF).gif
WebP Image.webp
Bitmap Picture (BMP).bmp
Windows Metafile (WMF).wmf
Device Independent Bitmap (DIB).dib
Windows Icon (ICO).ico
DocumentUltimate - Document Viewer and Converter for ASP.NET MVC and WebForms
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