Generate secure passphrases using the Diceware method. Easy to remember and resistant to brute-force attacks. Runs entirely in your browser — no data leaves your device.
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A diceware-based passphrase generator that builds passwords from real words — far easier to remember than random characters, yet stronger against brute-force attacks. Configure word count, separator and case style, then generate up to 100 passphrases in one click. Everything runs in your browser — your data is not sent to our servers. Works entirely offline for maximum privacy.
Set the word count in the passphrase generator
Use the slider to choose between 3 and 10 words. Four words give roughly 51 bits of entropy — enough for most accounts. Six words (77 bits) is recommended for high-value targets like email or banking.
Choose a separator
Pick a separator between words: hyphen, dot, space, underscore, number or none. Separators increase entropy and make the passphrase easier to read.
Select a case style
Choose lowercase for simplicity, Title Case for readability, or UPPERCASE if the service requires it.
Add extra security optionally
Toggle Add numbers to insert 2 random digits, or Add symbol to insert one special character — useful for services that require mixed character types.
Generate and copy your passphrase
Click Generate — up to 100 passphrases appear instantly. Click the copy icon next to any phrase or use Copy All to grab the entire list.
A passphrase generator creates passwords from random common words using cryptographic randomness. The Diceware method selects words from a curated wordlist, producing phrases like 'correct horse battery staple' — easy to remember and hard to brute-force.
Yes. Security comes from randomness and length, not word complexity. A 5-word diceware passphrase provides around 64 bits of entropy — significantly harder to crack than a typical 12-character password. This generator uses the Web Crypto API for cryptographically secure randomness.
Yes. The wordlist is bundled with the page and generation happens locally via window.crypto.getRandomValues. No network request is made during generation — your passphrases are never sent to any server and the tool works fully offline.
Four words (51 bits of entropy) is adequate for most accounts. Five words (64 bits) suits sensitive accounts. Six or more is recommended for master passwords and encryption keys — each additional word multiplies the search space by the wordlist size.
Generally yes. A 5-word passphrase has higher entropy than a typical 12-character random password and is far easier to remember. Length is the primary driver of security — passphrases win on both length and memorability.