Kriptografik olarak rastgele şifreler ve parola cümleleri — canlı entropy göstergesiyle.
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This free tool builds cryptographically random passwords and EFF-style diceware passphrases entirely in your browser, showing live entropy and a realistic crack-time estimate as you adjust length and character classes.
Pick Password or Passphrase, set the length or word count, and a fresh value appears instantly with its entropy in bits. Press R to regenerate, C to copy — every character is produced locally by the Web Crypto API.
Choose the Password, Passphrase or Bulk tab, then adjust length, character classes and advanced rules. The output and entropy update instantly; press R to regenerate, C to copy.
No. Every password and passphrase is generated locally with the browser's Web Crypto API. Nothing is uploaded, logged or stored on a server.
Entropy measures how unpredictable a password is, in bits. Each extra bit doubles the search space an attacker must explore. Modern guidance treats 80 bits as safe for high-value accounts; this tool computes entropy live as you change length and character classes.
A six-word EFF diceware passphrase carries roughly 77 bits of entropy and is far easier to remember than a comparable random password. For accounts you must type or recall, passphrases are often the better choice.
Yes. Once the page is loaded the generator runs entirely from cached scripts in your browser; no network connection is required to keep producing passwords.
Random bytes come from crypto.getRandomValues() with rejection sampling so the distribution is exactly uniform — no modulo bias. Strength labels follow NIST SP 800-63B guidance on memorized-secret entropy.