ePub – A global format for eReader devices
Why do you need an ePub conversion?
ePub is the new industry format and it is gaining popularity among all the major publishers and retailers world wide. Being an open standard format, it provides better portability between system readers and devices for re-flowable e-books.
ePub format conversion provides you the ability to read it on all operating systems using various desktop readers like Adobe Digital Editions, Stanza, eReader etc. These digital books can also be read on dedicated reader devices like iPad, Nook Sony Readers, iPhones etc. Here are the ePub reader for specific platform:
Desktop Readers
Devices
Online Readers
If you have Educations books, Tutorials, Magazines, Professional books and books having mathematical fractions/equations then validated ePub is the best format you should go for. It can contain complex things like tables, images, maps, graphs, bullets, numbering, hanging very nicely because ePub supports various CSS and HTML codes.
In short ePub is a standard eBook format which can be played on multiple devices, supports various desktop readers. Developers likes to create this format because of its compatibility with the large amount of codes which is not allowed in any other ebook format conversion. Later you can convert it to other formats like Kindle Mobi format, Lit format etc.
Why ePub is the ebook format of the future?
This is an open format which is not controlled or owned by any one company. This means that anyone can download the ePub specification from the web. It is a series of standards known as OPF and maintained by the IDPF. There are no licensing costs or restrictions associated with these standards. You can download the samples on the forum website www.idpf.org.
ePub is built on top of existing standards. An ePub file is actually a zip archive, containing multiple files. You can examine the contents of any ePub file simply by renaming it to a .zip file and opening it by zip archive format (Winzip, gzip, 7-zip, etc).
Inside a typical ePub file, you will find the following types of file:
- metadata.opf – An xml file containing information about the ebook, such as the Author name, Publisher name, Book title and a list of all the other files in this ePub file. All the files placed in the ePub structure should be define in this file.
- toc.ncx – This file contains the Table of Content of this book.
- HTML – It contains one or more html pages with the book text.
- Images – Any images used in the ebook, such as a cover image, and images that accompany the text. Images are stored in standard formats such as jp
ePub is designed for reflowable content, means content will flow according to the resolution of the devices and desktop reader. Now ePUB supports fixed-layout content also. So this format is meant to use as a single format that publishers and authors can use in-house, as well as for distribution and sales.
Digital Rights Management (DRM)
Finally, the ePub format is DRM-free. This means that anyone purchasing an ePub file can rest assured that they have full access to the content and are free to convert it to any other format. You can transfer and display it on any device, print it and importantly in this case, you can convert it to any speech etc.
An ePub file optionally contains DRM as an additional feature, but it is not required by the specifications. These specifications does not name any particular DRM system to use, so publishers/authors can choose a DRM scheme according to their needs. Present DRMed ePUB files contains a file called rights.xml within the META-INF directory at the root level of the ZIP archive.
ePub Validation
It is an open source tool called ePubCheck exists for validating and detecting errors in the ePub structure. This tool can be run from the command line, or used in web apps and applications as a library. Ab ePub will be validated by fixing the detected errors by ePubCheck or www.threepress.org. Make sure you validate the ePub because then only an ePub format becomes able to played on multiple eReader devices.
We are an expert eBook Conversion company offering ePub conversion services including Apple Fixed layout format, eBook file conversion, Mobi Conversion, eBook Formatting services etc. We follow the IDPF standards to produce validated ePub files from source formats i.e. PDF, Word, InDesign and other formats.
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