| Filename extension | .opf |
|---|---|
| Internet media type | application/oebps-package+xml |
| Developed by | Open eBook Forum |
| Initial release | 1999; 25 years ago (1999) |
| Latest release | Open eBook Publication Structure (OEBPS) 2.0 September 2007 (2007-09) |
| Type of format | e-Book file format |
| Contained by | OEB Package Format (ZIP) |
| Extended from | XML, defined subset of XHTML, CSS, Dublin Core |
| Extended to | EPUB electronic publication standard |
| Website | idpf.org |
Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format. It was "based primarily on technology developed by SoftBook Press" and on XML. OEB was released with a free version belonging to public domain and a full version to be used with or without DRM by the publishing industry.
Open eBook is a ZIP file plus a Manifest file. Inside the package a defined subset of XHTML may be used, along with CSS and Dublin Core metadata. The default file extension is .opf (OEB Package Format).
Specification release history
- September 2007 – Open Publication Structure (OPS) 2.0, EPUB. Released, supersedes the OEBPS 1.2
- August 2002 – OEBPS 1.2 Recommended Specification Released
- June 2001 – OEBPS 1.0.1 replaces OEBPS 1.0
- September 1999 – Open eBook Publication Structure (OEBPS) 1.0 released
Reader software
- SoftBook
- Adobe Digital Editions
- FBReader – GPL e-book reader for Unix/Windows computers.
- Lexcycle Stanza
- Mobipocket
- Openberg Lector – cross-platform reader released under the GPL and based on Mozilla platform
Reader devices
- SoftBook
- Sony Reader – As of 2008 the Sony Reader PRS-505 supports the EPUB file format.
- Intel Reader
- Barnes & Noble Nook
- Kobo eReader
See also
References
- "Open Packaging Format (OPF) 2.0 v1.0". 2007-09-11. Archived from the original on 2009-06-04. Retrieved 2020-05-05.
- Judge, Paul (1998-11-16), "E-Books: A Library On Your Lap", BusinessWeek, archived from the original on February 8, 2000
- http://esupport.sony.com/US/perl/swu-download.pl?upd_id=3623&mdl=PRS505 Sony Reader PRS-505
- Intel Reader Archived 2012-09-10 at archive.today
- Barnes & Noble Nook
- Kobo Reader
- Audiobook and eMagazine library
External links
- Open eBook Forum
- Openberg
- Open Publication Structure (OPS) 2.0
- Adobe's Sample eBook Library
- Article "EPUB" at the MobileRead Wiki
- ePub Validator - This utility allows to validate the epub file to ePub standards of 1.0.5
- https://github.com/idpf/epubcheck
- EPUB Validator (beta)
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