FLIF
From Just Solve the File Format Problem
FLIF (Free Lossless Image Format) is a compressed image file format. Images can be compressed losslessly or lossy.
It uses a compression algorithm called MANIAC (Meta-Adaptive Near-zero Integer Arithmetic Coding), which is a form of arithmetic coding.
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History
FLIF was first announced in 2015, and the first stable version (named FLIF16) was released in 2016. Note that FLIF files or software created before about 2016-08 are likely to be incompatible with the current FLIF format.
Identification
FLIF files begin with ASCII "FLIF".
The byte at offset 4 is one of the characters from the ASCII string "134ACDQSTacd".
The byte at offset 5 is one of the characters from the ASCII string "012".
Specifications
Software
Sample files
- https://github.com/sveinbjornt/Phew/tree/master/sample-images → *.flif
- https://github.com/SaschaNaz/libflif.js/tree/master/sample → *.flif
