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Format

Free Lossless Image Format (FLIF)

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Summary

Name
Free Lossless Image Format (FLIF)
Identifiers
  • PUID: fmt/872
  • MIME: image/flif
Format type
Image (Raster)
Description
FLIF is a lossless image format, developed by Jon Sneyers. FLIF is based on MANIAC compression. MANIAC (Meta-Adaptive Near-zero Integer Arithmetic Coding) is a variant of CABAC (context-adaptive binary arithmetic coding), where the contexts are nodes of decision trees which are dynamically learned at encode time.
File extensions
flif
Source
Digital Preservation Department / The National Archives

Internal signatures

FLIF

Note
BOF: 4 byte Magic string: 'FLIF', 1 byte Type string: 1 = static, grayscale, non-interlaced; 3 = static, RGB, non-interlaced; 4 = static, RGBA, non-interlaced; A = static, grayscale; C = static, RGB, interlaced; D = static, RGBA, interlaced; Q = animated, grayscale, non-interlaced; S = animated, RGB, non-interlaced; T = animated, RGBA, non-interlaced; a = animated, grayscale; c = animated, RGB, interlaced; d = animated, RGBA, interlaced.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
464C4946(31|33|34|41|43|44|51|53|54|61|63|64)
Endianness
None

Changelog

  • Added in V84

    Release date
    21 January 2016

    Free Lossless Image Format (FLIF): Signature developed through PRONOM Research from format description provided by Jon Sneyers.

    Free Lossless Image Format (FLIF): Full entry added.