Passphrase Generator
Generate memorable Diceware-style passphrases online for free. Strong, random, easy to remember.
Click Generate
このツールについて
Generate strong, memorable passphrases using random words — inspired by the Diceware method. Passphrases are easier to remember than random passwords and just as secure when long enough.
使い方
Set Word Count
Choose how many words to include (4–8 recommended).
Generate
Click Generate to create a random passphrase.
Copy
Copy the passphrase to use as your password.
活用シーン
Memorable Security
Create passwords that are strong yet easy to remember.
よくある質問
Are passphrases secure?
Yes. A 5-word passphrase has over 77 bits of entropy, far more than most random passwords.