Diceware Passphrase Generator

Generate secure, easy-to-remember passphrases using the Diceware method. Create random word combinations like "correct-horse-battery-staple".

Traditional complex passwords like `k9$Lp@2x!Z` are a nightmare for humans to remember, but actually relatively fast for modern computers to brute-force crack because they are short. The alternative is a "Passphrase"—a sequence of random dictionary words like `velvet-mountain-coffee-telescope`. This concept was popularized by a famous XKCD comic ("correct horse battery staple"). Because the passphrase is so long, the mathematical entropy (security) is incredibly high, making it mathematically impossible to crack. Yet, the human brain can visualize a velvet mountain and easily memorize the phrase.

Our password generator supports generating these highly secure, memorable word-based passphrases. It randomly selects English dictionary words directly in your browser, ensuring a highly secure master password for your password manager or crypto wallet.

Frequently Asked Questions

How many words should a passphrase be?
Cybersecurity experts recommend a minimum of 4 random, unrelated dictionary words. Using 5 or 6 words makes it secure against any foreseeable future computing power, including quantum computers.