25-04-2021

Convert between various ebook formats, such as EPUB, MOBI, AZW, PDF, DOCX, TXT, HTML and more.

An opf file extension is related to Open Packaging Format, an XML-based format used to store e-books.

OPF file is an Open Electronic Package Ebook. OPF is an XML-based e-book format created by E-Book Systems; it has been superseded by the EPUB electronic publication standard. EPUB Converter is a free Online EPUB Converter tool to help you convert EBook files from EPUB to PDF, EPUB to MOBI, MOBI to EPUB, Kindle to PDF, etc.

Opf file

There are 4 other file types using
the OPF file extension!

.opf - FlipAlbum album data

.opf - KEPServerEX project configuration

.opf - Obsidium project

Opf To Pdf Online Converter

.opf - VisualOMP project

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OPF file extension- Open Packaging Format

What is opf file? How to open opf files?

The opf file extension is related to Open packaging Format. OPF is an XML-based e-book format created by E-Book Systems.

Opf Reader

Open Packaging Format (OPF) is one third of a triumvirate of modular specifications that make up the EPUB publication format.

EPUB enables the creation and transport of reflowable digital books and other types of content as single-file digital publications that are interoperable between disparate EPUB-compliant reading devices and applications.

EPUB encompasses a content markup standard (Open Publication Structure – OPS), a container standard (Open Container Format – OCF), and OPF packaging standard.

Updated: March 5, 2019

The default software associated to open opf file:

Company or developer:
Kovid Goyal

A very popular, open source digital publication library management program for Microsoft Windows developed by e-book users for e-book users. It supports many common, and few uncommon e-book formats, like azw, cbc, cbr, cbz, epub, htmlz, lit etc.

Help how to open:

Okular e-book viewer should be able to view *.opf files.

How to convert:

Calibre is able to export *.opf files to other formats.

Find conversions from opf file:

Find converter to opf file type:

Convert Opf To Pdf Free Online

Related links:

List of software applications associated to the .opf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open opf file, edit opf file, convert opf file, view opf file, play opf file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting opf files.

Software that open opf file - Open Packaging Format

Oppd Online Bill Pay

Opf file to pdf converter online

Opf File To Pdf Online

Programs supporting the exension opf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open opf file action.

Microsoft Windows:

Mobipocket eBook Creator
Adobe Digital Editions
Adobe InDesign

Online Opf To Pdf Converter

Apple macOS / Mac OS X:

Linux/Unix: