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"GroupDocs is a conglomerate of Office tools placed under the same roof and for the sake of understanding, it can be seen as Microsoft Office on the web."

Alex Serban


Security Comes First

Security Is First

GroupDocs.Viewer for Cloud was built with security in mind to protect your content when you work with documents online:

  • Our cloud service is hosted using industry-leading Amazon EC2 infrastructure which provides state-of-the-art security and guarantees privacy of your documents. All data and document transfers are made over SSL. Read more about our servers' security.
  • Thanks to the in-built Digital Rights Management (DRM) feature, you can prevent documents from being copied by your users when embedding them to a website, blog or web application. You have complete control over what documents are shared in a “read-only” mode and with full access rights.
Multiple File Formats Support

Support for 50+ File Formats

  • Portable Document Format: PDF
  • Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM
  • Microsoft Excel: XLS, XLS2003, XLSX, XLSM, XLSB, XML
  • Microsoft PowerPoint: PPT, PPTX, PPS, PPSX
  • Microsoft Visio: VSD, VDX, VSS, VSX, VST, VTX, VSDX, VDW
  • Microsoft Project: MPP, MPT
  • Microsoft Outlook: MSG, EML, EMLX
  • OpenDocument Formats: ODT, OTT, ODS, ODP
  • Rich Text Format: RTF
  • Plain Text File: TXT
  • Comma-Separated Values: CSV
  • HyperText Markup Language: HTM, HTML, MHT, MHTML
  • XML Paper Specification: XPS
  • AutoCAD Drawing File Format: DXF, DWG (2004)
  • Image files: BMP, GIF, JPG, JPEG, PNG, TIF, TIFF
  • Electronic publication: EPUB
  • Windows Icon: ICO
Works Across Platforms

Cross-Platform Compatibility

GroupDocs.Viewer allows you to access and view documents across all your devices, be it a desktop, laptop, tablet or smartphone:

Supported Browsers

  • IE8+
  • Chrome
  • Chrome for Android
  • Firefox
  • Firefox for Android
  • Opera
  • Opera Mini
  • Opera for Android
  • Safari 5+
  • Mobile Safari

Supported Devices

  • iPhone
  • iPad
  • Android
  • PC
  • Mac
Convenient User Interface

Convenient Interface for Flawless Reading

GroupDocs.Viewer’s interface delivers a great experience for reading documents online. It is designed to make it easy to view and navigate large multi-page documents in a web-browser. When viewing a document, the user interface allows you to:

  • Scroll or turn pages with the click of a button
  • Jump straight to the specified page
  • Preview and navigate pages with thumbnails
  • Fit to width/height or zoom in/out of the document
  • Print and download documents
  • Search for text using keywords
CMS & Cloud Storage Integrations

More Tools for Online Document Collaboration

Do more than just access and view documents online. Collaborate on documents with your team, partners and customers, and get your work done faster using a complete GroupDocs for Cloud suite:

  • GroupDocs.Annotation: allows you to collaboratively review and annotate documents online. You can invite multiple users to annotate the same document simultaneously in real-time, regardless of where they are located.
  • GroupDocs.Assembly: turns your PDF and Microsoft Word templates into fillable online forms. This application allows you to assemble essential business documents on-the-fly by automatically incorporating data entered by users via online questionnaires into your existing PDF and Microsoft templates.
  • GroupDocs.Signature: a secure electronic signature application that allows you to get documents signed faster without the need for printing, scanning, faxing and mailing.
  • GroupDocs.Comparison: highlights differences between two versions of a document.
  • GroupDocs.Conversion: lets you convert back and forth between over 50 document and image file formats.
Easy Integration

Flexible Integration Options

Our powerful API and flexible deployment options allow you to seamlessly integrate GroupDocs.Viewer to your own application, website or 3rd party service. GroupDocs.Viewer works great with Content Management Systems (ECM, CMS) and cloud storage providers, allowing users to view documents online, directly from within the application they already use.

Check out our existing plugins for popular CMSs and 3rd party cloud storage providers, or develop your own integrations using our RESTful API, .NET or Java libraries.