Brunsli - Lossless JPEG repacking library

Brunsli is a lossless JPEG repacking library. Brunsli allows for a 22% decrease in file size while allowing the original JPEG to be recovered byte-by-byte. Brunsli has been specified as the lossless JPEG transport layer in the Committee Draft of JPEG XL Image Coding System and is ready to power faster and more economical transfer and storage of photographs.