Passphrase Generator

About this tool

Generate a memorable passphrase made of random, unrelated dictionary words — easier to type and remember than a random character string, while still being genuinely hard to guess. Uses crypto.getRandomValues for real randomness, never Math.random.

Frequently asked questions

Why are word-based passphrases considered strong?

Strength comes from the total number of possible combinations. A 4-word passphrase drawn from a list of a few thousand words already has more combinations than a short random 8-character password, while being far easier to remember and type.

Should I add a number or symbol?

It adds a bit more entropy and satisfies sites that require a digit, but the word count matters far more for actual strength than a single appended digit.

Is this generated locally?

Yes — everything happens in your browser using the Web Crypto API's secure random number generator; nothing is sent anywhere or logged.