Jeff's Image Format

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File Format
Name Jeff's Image Format
Ontology
Extension(s) .jif
Released ≤1999

Jeff's Image Format (JIF) is a raster image file format that was designed to be a patent-free alternative to GIF. It is nearly identical to GIF, except that it uses zlib compression instead of LZW.

Identification

Files begin with an ASCII signature of "JIF99a".

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