---
name: "lz4jsoncat"
section: "1"
platform: "linux"
package: "lz4json"
version: "2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/lz4jsoncat"
---

# lz4jsoncat(1)

decompress tool for mozilla lz4json format

## NAME

lz4jsoncat - decompress tool for mozilla lz4json format

## SYNOPSIS

**lz4jsoncat** *somefile.mozlz4* \> *somefile.json*

## DESCRIPTION

**lz4jsoncat** can unpack lz4json files as generated by Firefox's bookmark backups and session restore.  The data is dumped to stdout.

## CAVEATS

The input file must be mmappable - so you can't use a pipe here.