This is the quick command to create a profile in the default location which will be in the ~Library/Application Support/Firefox/Profiles directory. Once you download the LastPass extension from the Firefox Add-Ons. The ProfileManager launches Firefox with a Profile selection box in the GUI allowing you to choose which profile you’d like to use % firefox -ProfileManager Many people choose a password manager like LastPass for the added security and flexibility. If you chose not to, you’ll need to type out the full path. % sudo ln -s /Aplications/Firefox.app/Contents/MacOS/firefox /usr/bin/firefoxįor the rest of the examples below, I will assume that the binary is symlinked. The Firefox binary is located in /Applications/Firefox.app/Conents/MacOS so I suggest making a symlink to it so you can launch Firefox from anywhere and you don’t have to type out the full path each time. That profile will be completely different from the default profile that you normally use including the add-ons that are installed.Ĭommand line Mac Command Line Options: Symlink the Firefox binary (optional) What you need to do is create a new Firefox profile.