Free Online eBook Viewer

Open and view EPUB, MOBI, MSG files online from desktop or mobile device for free, with a modern browser like Chrome, Opera and Firefox.

Discover GroupDocs.Viewer free online app!

eBook EBook File Formats

Ebook files are electronic files that can be opened on digital devices known as eReaders. An eReader can be any device such as a computer, a tablet or a smartphone. The most popular ebook file format is the XML based ePub that can easily be read by several applications. Some popular eReaders include Amazon Kindle, Sony Reader, Hanlin and IRIX. An eBook can contain different types of contents such as text, image, and video.

How to view eBook files online using GroupDocs.Viewer App

  • Select or drop eBook file to view.
  • Once upload completes, you'll be redirected to the viewer application.
  • Scroll down or use the menu to navigate between pages.
  • Zoom-in or zoom-out page view.
  • Download source file pages in PNG or PDF format.
How to

Powered By

 GroupDocs.Viewer for .NET API

Powerful document viewer .NET library & API.
Build your own multi-platform document and file viewer with our .NET library.

More Platforms

 GroupDocs.Viewer for Java

Java version of GroupDocs.Viewer library & API.
Build your Java document viewer application with GroupDocs.Viewer for Java.

 GroupDocs.Viewer Cloud

Easy to use cross-platform Cloud solution.
Or use our Cloud API to build your document and file viewer.

Open-Source UI/UX Solutions

 GroupDocs.Viewer for .NET and Java

Integrate document viewer in your apps using our out-of-the-box open-source front-end solutions based on Angular and GroupDocs.Viewer for .NET/Java.
UI/UX solutions can be run as standalone applications or can be integrated in any .NET/Java application, download and build your viewer solution within a few clicks!

 GroupDocs.Total for .NET and Java

GroupDocs.Total UI/UX is an open-source solution where all GroupDocs products are working together as one.
GroupDocs.Total provides multiple high-quality features against most popular document formats, such as conversion, signature, parser, and much more!

Other file and document viewers

Viewer supports most popular file and document formats including Word, Excel, PowerPoint. Please see the complete list below.

ARCHIVE VIEWER APP (Compression File Formats)
CAD VIEWER APP (CAD Drawings)
EMAIL VIEWER APP (Email File Formats)
EXCEL VIEWER APP (Spreadsheet Files)
IMAGE VIEWER APP (Image File Formats)
NOTE VIEWER APP (Note Taking File Formats)
OUTLOOK VIEWER APP (Outlook Data Files)
PHOTOSHOP VIEWER APP (Photoshop File Formats)
POWERPOINT VIEWER APP (Presentation File Formats)
PROJECT VIEWER APP (Project Management File Formats)
VISIO VIEWER APP (Microsoft Visio File Formats)
WEB VIEWER APP (Web File Formats)
WORD VIEWER APP (Word Processing File Formats)