Hello-3.1.epub - "mimtype" File


How to create the "mimetype" file of an EPUB 3.1 book?

✍: FYIcenter.com


The "mimetype" file of an EPUB 3.1 book is a required file in the book ZIP container. It specifies the mimetype of an EPUB 3.1 book file.

Here is the requirement on the "mimetype" file:

1. The "mimetype" file must be named as "mimetype".

2. The "mimetype" file must have 1 line of text list below:


3. The "mimetype" file must be placed in the root directory of the EPUB 3.1 book ZIP container.

You can create the "mimetype" file with any text editor.

Download Hello-3.1.epub, and unzip it. You see an example of "mimetype" in the root directory.


Hello-3.1.epub - "container.xml" File

Minimum Requirement of EPUB 3.1 File

Introduction of EPUB 3.1 Specification

⇑⇑ EPUB Tutorials

2018-04-15, 114👍, 0💬