EPUB File Extension

Electronic Publication File Format

Overview – What is .epub File Extension?

EPUB file extension is an e-book file format; Users can easily download and read files with this extension on their electronic devices such as smartphones, tablets, computers or e-readers.

This file format used by many software readers like iBooks on iOS and Google books on Android. iBooks also supports the file related formats which is based on the EPUB file extension.

iBooks additionally supports the restrictive iBook format, which is based on the EPUB format but depends upon code from the iBooks app to function.

Application Category

PDF File Category

Organization

IDPF (International Digital Publishing Forum)

Type of Format

E-book file format

Technical Specifications

MIME Type

Standard Identifier application/epub+zip

Official media type for EPUB digital publications.

File Signature Details

Hexadecimal Signature 50 4B 03 04 0A 00 02 00

ASCII Character PK......

Applications Supported

ePUB Reader

How to open and view EPUB File Extension

The EPUB file can be opened using two ways:

Using software like iBooks (iOS) and Google Books (Android)

Using free software or specialized viewing tools

Relevant Tools that open EPUB File Extension

SysTools EPUB Viewer

Professional EPUB Viewer

Official Tool View Tool

Freeware EPUB Viewer

Complimentary Tool

Free Version View Tool