Free Online eBook Viewer

Discover GroupDocs.Viewer free online app!

Open and view DOCX, PPTX, XLSX, DWG, CSV, SVG, PPT, XPS, DWF, DXF, XLS, PSD and many more file and document formats online for free, see supported formats list.
Upload your Excel, Word, PowerPoint, AutoCad, Visio, and PDF documents and view them in your browser.
Open and view files from anywhere online for free - it works on all platforms including Windows, MacOS, Android and iOS.
All files are processed on our servers so no additional plugins or software installation is required.
All files are processed using GroupDocs.Viewer document view API.

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.

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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.Viewer MVC UI/UX Solution
GroupDocs.Viewer .NET WebForms UI/UX Solution
GroupDocs.Viewer Java Spring UI/UX Solution (Coming Soon)
GroupDocs.Viewer Java Dropwizard UI/UX Solution (Coming Soon)

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!

GroupDocs.Total for .NET MVC
GroupDocs.Total for .NET WebForms
GroupDocs.Total for Java Dropwizard (Coming Soon)
GroupDocs.Total for Java Spring (Coming Soon)

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