For this recipe you will need the tool jq and nss
brew install jq nssThen open the terminal and cd in the firefox profile and issue the following command
cd /Users/koninich/Library/Application Support/Firefox/Profiles/thenameofyourprofile
jq -r -S '.logins[] | .hostname, .encryptedUsername, .encryptedPassword' logins.json | pwdecrypt -d .
This will print all your passwords! Enjoy!