Casey Passphrase Generator

A passphrase is just a password made of words you can remember. It is based on the principle that truly random selection of words from a wordlist, can result in easily memorable passwords that are also extremely resistant to attack.

Passwords that are six words or longer are thought to be safe for any very high security applications.

Click on one of the numbered passphrase generator buttons below
Click again to generate a totally new passphrase
You can copy the generated passphrase from the copyable string on the page
Close your browser window once you're done so others can't discover your passphrase

copyable text with spaces or dashes

entropy stats

There are words in your password, resulting in ~ bits of entropy (~12.92 bits/word, ~10 bits/letter, and ~5.16 bits/symbol). That many words equates to a total keyspace of ~ possible phrases (7776^WordsInPhrase). an exhaustive brute-force search on 50% of the total keyspace might take:

~ seconds

~ minutes

~ hours

~ days

~ years

~ x avg. lifespan

~ millenia

~ x age Universe