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Format

Digital Negative Format (DNG)

Summary

Name
Digital Negative Format (DNG)
Version
1.7
Identifiers
  • PUID: fmt/1943
  • MIME: image/dng
Format type
Image (Raster)
Description
The Digital Negative (DNG) specification describes a non-proprietary file format for storing camera raw files that can be used by a wide range of hardware and software vendors. DNG is an extension of the TIFF format, and is compatible with the TIFF-EP standard. This version was published in May 2023.
File extensions
dng
Source
Brigham Young University / Brigham Young University

Relationships

Has priority over
Is subsequent version of

Internal signatures

DNG 1.7 (Little Endian, BOF)

Note
TIFF header plus DNGVersion tag near BOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
49492A00{0-4080}12C60100040000000107
Endianness
None

DNG 1.7 (Big Endian, BOF)

Note
TIFF header plus DNGVersion tag near BOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4D4D002A{0-4080}C6120001000000040107
Endianness
None

DNG 1.7 (Little Endian, BOF+EOF)

Note
TIFF header plus DNGVersion tag near EOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
49492A00
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
128000
Byte Sequence
12C60100040000000107
Endianness
None

DNG 1.7 (Big Endian, BOF+EOF)

Note
TIFF header plus DNGVersion tag near EOF

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4D4D002A
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
128000
Byte Sequence
C6120001000000040107
Endianness
None

Changelog

  • Updated in V118

    Release date
    30 April 2024

    Digital Negative Format (DNG) 1.7: Signature modified to identify both version 1.7.0 and 1.7.1. Submitted by Brigham Young University.

  • Added in V115

    Release date
    15 November 2023

    Digital Negative Format (DNG) 1.7: Signature researched and samples provided by Brigham Young University.

    Digital Negative Format (DNG) 1.7: Full entry added. Submitted by Brigham Young University.