$ zsh-history-utils help
manipulate the history file of zsh
Usage: zsh-history-utils <COMMAND>
Commands:
decode Convert a history file to a JSON Lines
encode Convert a JSON Lines to a history file
merge Merge multiple history files into a single history file
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
-V, --version Print version