Here are free methods to edit ePub files so as to change the ePub cover, description, author's name, source, etc.

1. 3 Ways of How to Edit ePub Files
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2. • There are a lot of ePub converters and ePub creators on the
Internet. However, programs for editing ePub is fewer. We
sometimes need to edit the ePub metadata. For example, if we
create an ePub from other file formats, we may need to remove
irregularities and make it better for reading on our device.
Then how to edit ePub books? Following are 3 totally FREE
ways to edit ePub files.

3. 1. Freeware to Edit ePub Metadata
• ePub Metadata Editor is a simple tool which allows you to
view and edit metadata of ePubs. With it, you can easily
change and add images, descriptions, book credits, publisher’s
name, type, format, identifier, source, etc. Compatible with
Windows XP, Windows Vista and Windows 7.

4. • How to use this ePub editor? Firstly, launch it on your
computer. Click the Open button to load an ePub file. Then,
you can change or add anything from the file title to author’s
name, description, time stamp, series index, etc. You can
easily change or add a cover by right-clicking on the cover
image box. There is also an advanced pane that allows for
certain batch operations as well as editing of the OPF and
TOC.NCX files. Finally, after editing ePub, click Save button.

6. Extended knowledge: What is metadata?
• Simply speaking, metadata is data about data. If an eBook is
considered to be data then the information describing the book
would be metadata. It is very important that this data be
identified separately with keywords so that it can be used by
library software to describe the eBook and by retailers to
identify the contents. For ePub, the metadata files are OPF,
TOC.NCX files.

7. 2. Cross-Platforms ePub Editor
• Sigil is a multi-platform eBook editor running on Windows,
Linux and Mac for editing books in ePub format. It provides
you with multiple views: Book View, Code View and Split
View. Sigil accepts input files of TXT, HTML and ePub. So it
can also be served as a great Text to ePub converter, or an
excellent HTML to ePub converter. Thanks to its actually
usable user interface, it is simple to use.

9. • The steps are as below:
Launch Sigil, and open your ePub by clicking the Open button
to browse your ePub file. Double click any HTML or XHTML
files on the left sidebar and edit them just like you would in
Word. The sidebar also gives you access to other parts of ePub
file such as images and CSS.

10. 3. Edit ePub with Dreamweaver
• As we all know, Dreamweaver is a web development and
design tool, which can normally handle (X)HTML. Inside the
ePub file, which is effectively a ZIP file, there are various files
and Dreamweaver will happily open the XHTML documents
and display both the code and the design/layout. Now let’s
learn how to edit ePub files with Dreamweaver.
• STEP1: Configure Dreamweaver
Since Dreamweaver can’t open components of ePub files by
default, you need to change the preferences: Go to
Dreamweaver > Preferences and open the File Types/Editors
section. Add in this: .opf.ncx
• STEP2 ： Unpack ePub file
Rename the file with the extension .zip instead of .epub. Use
an unzip tool to open the contents of the zip file.
• STEP3: Edit in Dreamweaver
Create a new site in Dreamweaver, and locate the folders
created in STEP2, usually named OEBPS. Now you can edit
the template CSS and the individual XHTML documents.

12. • STEP4: Re-zip the files
After editing, you can re-pack the files and rename with
the .epub extension.
• Suggested Reading:
iPubsoft PDF Converter
How to Read ePub on PC
Read Kindle Books on Nexus 7
• Resource from:
http://www.ipubsoft.com/epub/how-to-edit-epub-files.html