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Master Password
iOS. Android. Mac. Desktop. Terminal. Web.
Support


Why What How


HOW DO I USE IT?


ONE, TWO, ENTER.

Good security depends on ease of use.

With Master Password, logging into any website involves these steps:

 1. Unlock the Master Password app.
 2. Find your site and copy its key.
 3. Enter the site by pasting the key into its password field.

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Most browsers will then ask you to "save" the site's password. If you're
comfortable with that, it's a good way of skipping the above steps and logging
in even faster next time.


GETTING STARTED.

As explained, Master Password is not a password manager or a vault. It is not
made to hold your existing site passwords — that would violate the principles it
stands for and break the advantages it offers over ordinary password managers.

As a result, the largest curve to adopting Master Password involves changing the
passwords of all your existing accounts into the cryptographically secure keys
generated by Master Password.

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I WANT PICTURES.

All right. Here's Robert on his iPhone:

He wants to sign up for Twitter. Robert filled in all the fields, except for
password. Not wanting to worry about what his twitter secret is going to be, he
switches to Master Password.

Of course, he begins by unlocking his user with his master password. Robert can
skip this step by going into Master Password's preferences and setting it to
either save his master key or remember his login, but he choses not to.

He creates a password for Twitter by using its bare domain name: twitter.com. He
knows not to use mobile.twitter.com or Twitter or anything non-standard, because
that would be very difficult to remember correctly on a later date. If he has
multiple twitter accounts, he could prefix the name with a user name and an @:
rmitchell@twitter.com, superbob@twitter.com.

If the account Robert's signing up for is with a website that prohibits symbols
for some daft reason, Robert can change the type to Basic or something similar
instead. Robert can also bump up the complexity to get an even more secure
password if he wants.

When Robert created the site in Master Password, it copied the password to his
pasteboard. Now, Robert just switches back to Safari and pastes his brand-new
password he doesn't care to remember in twitter's password field. All done!




NAVIGATION

 * Home
 * Why do I need it?
 * What does it do?
 * How do I use it?

GET MASTER PASSWORD

 * iOS
 * Android
 * Mac
 * Desktop
 * Terminal
 * Web

RESOURCES

 * Support
 * Source Code
 * Report an Issue
 * Master Password: An Algorithm For Freedom (PDF)
 * A Primer on Passwords (PDF)

Master Password is a security product and algorithm by Maarten Billemont, Lyndir
(© 2011-2018).
Usage implies agreement with our privacy policy and disclaimer.

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