JBIG-KIT implements a highly effective data compression algorithm for bi-level high-resolution images such as fax pages or scanned documents. JBIG-KIT provides a portable library of compression and decompression functions with a documented interface. You can very easily include into your image or document processing software. In addition, JBIG-KIT provides ready-to-use compression and decompression programs with a simple command line interface (similar to the converters found in Jef Poskanzer's PBM graphics file conversion package).