Frequently Asked Questions

What is GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud is a RESTful API that allows you to display over 90 document and image formats through a web-based viewer.

Is GroupDocs.Viewer Cloud platform-specific?

No, GroupDocs.Viewer Cloud is platform-independent and can be used with any programming language or platform that supports REST APIs.

Which programming languages can be used with GroupDocs.Viewer Cloud?

You can use GroupDocs.Viewer Cloud with languages such as Ruby, Java, .NET, PHP, Python, and more.

Can GroupDocs.Viewer Cloud be integrated into mobile applications?

Yes, GroupDocs.Viewer Cloud can be integrated into mobile applications to display documents and images.

What document formats can GroupDocs.Viewer Cloud display?

GroupDocs.Viewer Cloud can display over 90 document and image formats, including PDF, DOCX, PPTX, XLSX, and more.

Does GroupDocs.Viewer Cloud support EPUB format?

Yes, GroupDocs.Viewer Cloud supports EPUB format for viewing eBooks.

Is there a free trial available for GroupDocs.Viewer Cloud?

Yes, GroupDocs.Viewer Cloud offers a free trial with limited usage to test its features and functionalities.

What are the pricing plans for GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud offers flexible pricing plans based on usage volume, starting from a free tier for basic needs.

How secure is GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud ensures data security through HTTPS protocol, authentication mechanisms, and other security features.

Is there technical support available for GroupDocs.Viewer Cloud users?

Yes, GroupDocs.Viewer Cloud provides technical support to assist users with integration, troubleshooting, and other queries.

EPUB Viewer REST API

View EPUB and hundreds of other formats from CAD, Word, PowerPoint, Excel, Email & eBook

Rotate, reorder & watermark EPUB pages

View EPUB as HTML5

EPUB REST APIs are secured and require authentication

View EPUB as PDF

View EPUB as Images like BMP, PNG, JPEG & TIFF

View EPUB with its attachments

Get EPUB document information like page & attachment count as well as properties

Ruby SDK

GroupDocs.Viewer Cloud provides a comprehensive Ruby SDK that allows developers to easily integrate document viewing capabilities into their Ruby applications.

Document Rendering

With GroupDocs.Viewer Cloud, you can render a wide range of document formats including PDF, Microsoft Word, Excel, PowerPoint, and more, enabling users to view documents within your application.

High-Fidelity Rendering

The platform ensures high-fidelity rendering of documents, preserving the original layout, formatting, and quality of the documents for a superior viewing experience.

Customizable Viewer

GroupDocs.Viewer Cloud offers a customizable viewer that allows you to tailor the viewing experience to meet your specific requirements, such as setting zoom levels, page scrolling, and more.

Cross-Platform Support

The cloud-based viewer supports cross-platform integration, enabling seamless viewing of documents on various devices and operating systems.

Document Annotation

Users can conveniently annotate documents with markup tools, comments, highlights, and more directly within the viewer interface for collaborative document review.

Watermarking and Security

GroupDocs.Viewer Cloud allows you to apply watermarks to documents to protect your content. Additionally, it offers secure document viewing by restricting access and permissions.

Responsive UI

The viewer comes with a responsive user interface that dynamically adjusts to different screen sizes, ensuring optimal viewing experience on desktops, tablets, and smartphones.

EPUB Format Support

GroupDocs.Viewer Cloud supports EPUB format, allowing users to view and navigate through EPUB eBooks directly within your application.

Document Comparison

The platform enables users to compare two versions of a document side-by-side, highlighting the differences for easy identification and review.

Effortlessly view EPUB files in Ruby with GroupDocs.Viewer Cloud.