Jeff's Image Format

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 " ".

Software

 * Konvertor
 * XnView

Links

 * 2001 archive of Jeff's Image Format web site