this tool can crack victims' password even if you don't know victim's email.
Usage :
$sudo apt install python3-pip
$git clone https://github.com/H3inAK/fbhacker
$cd fbhacker
$pip3 install -r requirements.txt
$python3 fbbrute.py
you can enter custom password file
Trying Passwords
Enjoy ^_^
Tested on Ubuntu 18.04 Termux Kali linux18.04 Windows10