.EPUB File Overview

File Extension: EPUB
File Type Description: Open eBook File
File Type Developer: IDPF (International Digital Publishing Forum)
Primary Associated Software: Adobe InDesign
Primary Software Developer: Adobe Systems Incorporated

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What is File Extension EPUB?

Calibre is the primary software program that utilizes the Open eBook File file, originally developed by Open Source. Our data shows that EPUB files are frequently utilized by PC users in United States and popular on the Windows 10 platform. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

Icecream Ebook Reader by Icecream Apps
Geometer Plus FBReader by Geometer Plus LLC
BePub by BBKeeper
Stanzetta by Two Dollar Apps
Jutoh (formerly eCub) by Julian Smart
Adobe Digital Editions by Adobe Systems Incorporated
Apabi Reader by Founder Group
Apple Pages by Apple
Adobe InDesign by Adobe Systems Incorporated
Nook by Barnes & Noble
Sony Reader by Sony
Okular by Okular Team
Apple iBooks by Apple
OverDrive by Rakuten OverDrive Inc.
Google Play Books by Google
Calibre by Open Source
Comic Book Reader by Open Source
Stanza by Lexcycle

Top EPUB User Languages

Top EPUB File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular EPUB File Countries

Top User Operating Systems

Windows 10 Windows 11 Windows 6 Windows 8.1

Associated Operating Systems


Other File Types Related to EPUB Files

Extension File Type Developer File Category File Type Description
.OEB IDPF (International Digital Publishing Forum) eBook Files Open eBook File
.DLX DIAL CAD Files DIALux Document
.AIA MIT Media Lab Uncommon Files App Inventor Project
.OBJ Wavefront Technologies 3D Image Files Wavefront 3D Object File
.BLW Adobe Systems Incorporated Settings Files Adobe Photoshop Black And White Presets File
.PS Adobe Systems Incorporated Vector Image Files PostScript File Format
.PRF Microsoft Corporation Settings Files Outlook Profile File
.RSA Various Developers Uncommon Files RSA Certificate File
.AS Adobe Systems Incorporated Developer Files Adobe ActionScript File
.VOC Creative Technology Ltd. Audio Files Creative Labs Audio File

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