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Format

Tagged Image File Format

Summary

Name
Tagged Image File Format
Identifiers
  • PUID: fmt/353
  • MIME: image/tiff
  • Apple Uniform Type Identifier: public.tiff
Format type
Image (Raster)
Disclosure
Full
Description
The Tagged Image File Format (TIFF) is a raster image format originally developed by the Aldus Corporation, primarily for use in scanning and desktop publishing. When Adobe Systems Incorporated purchased Aldus in 1994, they acquired the rights to the TIFF format and have maintained it since then. TIFF files comprise three sections: an Image File Header (IFH), an Image File Directory (IFD), and the image data. TIFF files can contain multiple images (multi-page TIFF), and each image has a separate IFD. The IFH always appears at the beginning of the file, and is immediately followed by a pointer to the first IFD. The IFD contains metadata which describes the associated image, stored as a series of tags. The IFD also contains a pointer to the actual image data. TIFF supports colour depths from 1 bit to 24 bit (e.g. monochrome to true colour), and a wide range of compression types (RLE, LZW, CCITT Group 3 and Group 4, and JPEG), as well as uncompressed data.
Note
PUID created for the TIFF format in response to the difficulties we have been having with multiple identification of the format and a consensus on a new interpretation of the standard from within The National Archives and outside with external stakeholders. Documentation: https://www.itu.int/itudoc/itu-t/com16/tiff-fx/docs/tiff6.pdf http://www.alternatiff.com/resources/TIFFPM6.pdf http://www.alternatiff.com/resources/TIFFphotoshop.pd
File extensions
tif, tiff
Source
Digital Preservation Department / The National Archives
Developed by
Aldus Corporation

Relationships

Has lower priority than
Has priority over
Is supertype of

Internal signatures

TIFF generic (little-endian)

Note
Header: II* 0x00

Byte sequences

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

TIFF generic (big-endian)

Note
Header: MM 0x00 *

Byte sequences

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

Changelog

  • Updated in V100

    Release date
    16 December 2021

    Tagged Image File Format: Removed or updated expired documentation links.

  • Updated in V97

    Release date
    1 October 2020

    Tagged Image File Format: Links to documentation updated. Submitted by Amsterdam City Archives.

  • Updated in V94

    Release date
    17 September 2018

    Tagged Image File Format: Given priority over MPEG 1/2 Audio Layer 3 fmt/134 due to rare clash condition reported by National Library of New Zealand.

  • Added in V51

    Release date
    15 July 2011

    Tagged Image File Format: Full entry added.