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Format

Exchangeable Image File Format (Compressed)

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Summary

Name
Exchangeable Image File Format (Compressed)
Version
2.21
Identifiers
  • PUID: fmt/645
  • MIME: image/jpeg
Format type
Image (Raster)
Description
Exchangeable image file format (Exif) is a standard that specifies the formats for images, sound, and ancillary tags used by digital cameras (including smartphones), scanners and other systems handling image and sound files recorded by digital cameras.
File extensions
jpg, jpeg
Submitted by
Public Record Office of Northern Ireland / Public Record Office of Northern Ireland

Relationships

Has priority over
Is subsequent version of

Internal signatures

EXIF Compressed Image 2.21 (big-endian)

Description
SOI and APP1, EXIF IFD (EXIF ver=2.2.1), EOI marker

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
FFD8FFE1{2}4578696600004D4D002A*900000070000000430323231
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
65536
Byte Sequence
FFD9
Endianness
None

EXIF Compressed Image 2.21 (little-endian)

Description
SOI and APP1, EXIF IFD (EXIF ver=2.2.1), EOI marker

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
FFD8FFE1{2}45786966000049492A00*009007000400000030323231
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
65536
Byte Sequence
FFD9
Endianness
None

Changelog

  • V110

    Release date
    14 March 2023

    • Updated

      Exchangeable Image File Format (Compressed): Version corrected from 2.2.1 to 2.21. Submitted by Digital Preservation Department, The National Archives (UK).

  • V95

    Release date
    9 May 2019

    • Updated

      Exchangeable Image File Format (Compressed) 2.2.1: Added .jpeg as extension. Requested by National Library of New Zealand.

  • V75

    Release date
    17 July 2014

    • Added format

      Exchangeable Image File Format (Compressed) 2.2.1: Outline Entry Added. Submitted by Public Record Office of Northern Ireland.

    • Added signature

      Exchangeable Image File Format (Compressed) 2.2.1: Signature developed in collaboration with the Public Record Office of Northern Ireland.