.TH lz4jsoncat 1 2018-12-25 .SH NAME lz4jsoncat \- decompress tool for mozilla lz4json format .SH SYNOPSIS .B lz4jsoncat .I somefile.mozlz4 > .I somefile.json .SH DESCRIPTION .B lz4jsoncat can unpack lz4json files as generated by Firefox's bookmark backups and session restore. The data is dumped to stdout. .SH CAVEATS The input file must be mmappable \- so you can't use a pipe here.