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비밀번호 생성기

강력한 비밀번호 만들기

브라우저에서 실행 · 업로드 없음

이 도구와 페이지의 안내는 현재 영어로만 제공됩니다. 동작은 똑같으며, 모든 처리는 브라우저에서 이루어집니다.

Made with your browser's cryptographic random number generator. Passwords are created on your device, never sent anywhere and not stored: copy one before you leave the page.

  • 아무것도 기기 밖으로 나가지 않음
  • 서버의 파일 크기 제한 없음
  • 가입 불필요, 워터마크 없음
  • 무료

How to make a strong password

  1. A new password appears at once.
  2. Choose the length and which characters to use.
  3. Copy it, and save it in your password manager.

How strong?

  • The strength is shown in bits of randomness: 60 bits is good for most accounts, 80 or more is very strong.
  • Length matters most: 16 characters or more is a good habit.
  • "Avoid look-alikes" leaves out I, l, 1, O and 0, for passwords you have to type or read out.

Made on your device

Passwords come from your browser's cryptographic random number generator (the same one used for encryption), with every character chosen evenly. They are not stored, not logged and never sent anywhere.

자주 묻는 질문

Are the passwords saved?

No. They exist only in this page. Copy the one you want before you leave.

Should I reuse a strong password?

No. Use a different password for every account, and a password manager to remember them.