ISO image

Writable

image

ISO 9660 Disk Image File is a virtual image of optical disk, storing content and structure of an optical disc which can be transferred on the other media. This format specifically uses ISO 9660, a so-called original standard for file system for optical disc media, written by International Organization for Standardization (ISO) and considered an international technical standard available for many operating systems. A disk image is a uncompressed copy of the contents of a disk or a folder, it can facilitate certain types of backup and recovery strategies. Please see ID: fdd000348 from Library of Congress and other the links attached to this entry for further information.

Identify it

Extensions	`.iso.isoimg.cdr.toast.dmg.bin.img`
MIME types	`application/x-iso9660-imageapplication/vnd.efi.iso`
Signatures	`426c696e6b20627920442e542e53` at byte 0
PRONOM	`fmt/468fmt/1757fmt/1741fmt/1738fmt/1739fmt/1740`
Wikidata	`Q877050`
Library of Congress	`fdd000348`

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Open it

BinChunkerOpen sourcewrites · GNU General Public License, version 2.0 or later
libarchiveOpen sourcereads and writes · 2-clause BSD License
XfburnOpen sourcewrites · GNU General Public License, version 2.0 or later
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
Fedora Media WriterOpen sourcereads · GNU General Public License, version 2.0
PhotoRecOpen sourcereads · GNU General Public License
Q1578279Open sourcereads · GNU Lesser General Public License
Q215051Open sourcereads · GNU Lesser General Public License
ZipegOpen sourcereads · BSD licenses
PowerISOreads and writes · proprietary license
Roxio MyDVD Pluswrites
ALZipreads · freeware
B1 Free Archiverreads · proprietary license
Daemon Toolsreads · shareware
EZ CD Audio Converterreads
IsoBusterreads
IsoBuster 1reads
JLIVECDreads
Virtual CloneDrivereads · freeware
WinRARreads · proprietary license
WinZipreads · shareware

Convert it

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Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/filesystem/iso9660.ksy

Versions and variants (5)

Apple Partition MapUnknown
Apple Partition Map - ISO 9660 - UDF Hybrid Disk ImageUnknown
Apple Partition Map ISO 9660 HybridUnknown
UDF Disc ImageUnknown
UDF-ISO 9660 Bridge DiscUnknown

Sources

From Just Solve the File Format Problem (File Formats Wiki), Kaitai Struct format gallery, PRONOM, Wikidata. Updated 2026-10-24.

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