JBIG2

File Format
Name	JBIG2
Ontology	Electronic File Formats Compression JBIG2 ; ; ;
Extension(s)	.jb2, .jbig2
Released	2000

JBIG2 is a patent-encumbered standard for lossy and lossless compression of bi-level images.

A JBIG2 codestream may appear in a file by itself, or embedded in another format such as PDF.

Identification

JBIG2 files begin with an 8-byte signature: 97 4A 42 32 0D 0A 1A 0A.