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Torbjorn Tyridal edited this page Sep 4, 2023 · 20 revisions

Welcome to the masterpassword for Browsers wiki!

This is a browser extension implementing the masterpassword algorithm invented by Maarten Billemont. You read about it in his article "whats a password".

Please note that this plugin is not affiliated with mr Billemont

Why use MasterPassword

One of todays main security challenges on the web is passwords. You typically have to login at many different sites, and remembering a different password for every site is hard. Unfortunately, one of the sites you use will sooner or later be hacked, and passwords leaked. If that password is reused on other sites, the hackers will have access to all your accounts. MasterPassword can help. With one master key a unique password can be generated for each site. When you need to login, this addon will complete the site password for you. And it is impossible to guess the master password from a site password. Read more at spectre.app The MasterPassword algorithm is standardised. You can find app's for Ios, Android, Windows, Mac and Linux.

One of MasterPasswords strong points is that neither the master or site password is stored anywhere. The site password is rather generated mathematically every time. This is in clear contrast to many other password managers, like Firefox' built in password manager. If your computer or browser is hacked, solutions where the password is stored can give away all your passwords! Similar dangers exists with cloud based solutions.

Installation

Download from your favorite store:

or from the github release pages