How to find my forgotten Firefox master password

Question

I don't remember my Firefox master password. I changed it several days ago and now I'm restricted on several functions.

Answer 1

I don't remember my Firefox master password

There are two options:

1. Use FireMaster to recover your password, or

2. Reset your Master Password.

See below for instructions.

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Option 1: Use FireMaster to recover your password

About FireMaster

FireMaster is the First ever tool to recover the lost Master Password of Firefox.

Master password is used by Firefox to protect the stored login/password information for all visited websites. If the master password is forgotten, then there is no way to recover the master password and user will lose all the passwords stored in it.

However you can now use FireMaster to recover the forgotten master password and get back all the stored Login/Passwords.

FireMaster supports Dictionary, Hybrid, Brute-force and advanced Pattern based Brute-force password cracking techniques to recover from simple to complex password. Advanced pattern based password recovery mechanism reduces cracking time significantly especially when the password is complex.

FireMaster is successfully tested with all versions of Firefox starting from 1.0 to latest version v47.0

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License : Freeware Platform : Windows XP, 2003, Vista, Windows 7, Windows 8, Windows 10

Source FireMaster - The Firefox Master Password Recovery Tool

See the source link for complete instructions

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Option 2: Reset your Master Password

Using the Master Password feature, you can protect all of your locally stored usernames and passwords with a master password. If you have forgotten your master password, you must reset it.

Warning: Resetting your master password will remove all of your saved usernames and passwords.

1. In the Firefox location bar, enter the following location:

   chrome://pippki/content/resetpassword.xul
   

2. Press Enter.

3. The "Reset Master Password" page will appear. Click the Reset button, to reset your master password.

   

Source Reset your Master Password if you've forgotten it