–>1. Creating a Profile.
By default firefox runs in default profile. To run another instance of firefox with different profile you need to create first a different profile. To do this run firefox with command line parameter CreateProfile followed by profile name.

Window user, can click on “Start -> Run” and execute firefox with followed by the command line arguments. For example,

“C:\Program Files\Mozilla Firefox\firefox.exe” -CreateProfile Kuntal Patel

where Kuntal Patel need to be replaced by the name of the profile you have used in step 1 while creating a new profile.–> 2).Extra Tricks:
You will probably use two or more profiles frequently. In that case the step 2 to run firefox with a new profile will need to be tweaked!

  • In simplest way Windows user can right-click on existing firefox shortcut and select copy option from right-click menu.
  • Then paste it at your favorite place (probably desktop)
  • [optional] It may appear with name like Copy of Mozilla Firefox, change it to some convenient name like Rahuls Firefox or New Firefox or anything you like.
  • Now again right-click on new shortcut and click on properties option in right-click menu.
  • Switch to shortcut tab in properties window.
  • In target you may find – “C:\Program Files\Mozilla Firefox\firefox.exe” change it to something like “C:\Program Files\Mozilla Firefox\firefox.exe” -no-remote -P Rahul. (see screenshot below for more help)
  • Now click OK.


and enjoy multipal firefox!!

–Kuntal Patel.


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