Diceware-style passphrase generator using cryptographically secure randomness. Human-memorable, machine-resistant. Set the number of words (4-8) using the slider for your desired passphrase length. Choose a word separator: dash, space, or dot. Click "Generate" to create a new passphrase using crypto.getRandomValues(). Check the entropy score to understand brute-force resistance. Copy the passphrase to use for your accounts or password manager master key.