Create ultra-secure random passwords, pronounceable passwords or high-entropy Diceware passphrases — all 100% in your browser. Real-time strength meter, entropy estimate, instant copy. No data leaves your device — fully private & updated for current security standards.
Best for maximum security when stored in a password manager (aim for 16+ characters).
Password cracking capabilities continue to improve with better hardware and techniques. However, longer passwords/passphrases remain extremely resistant:
2026 recommendations (NIST SP 800-63B / OWASP): Focus on length over forced complexity. Minimum 8 chars (15+ strongly preferred when no MFA). Allow passphrases up to 64+ chars. Always combine with MFA/2FA and a password manager. Avoid periodic forced changes unless breach suspected.
Entropy measures unpredictability in bits — higher = harder to crack. Rough examples:
Our meter uses a conservative estimate based on character pool and length — real resistance also depends on hashing (e.g., bcrypt slows attacks dramatically).
| Type | Security Level (2026) | Memorability | Best Use Case |
|---|---|---|---|
| Random characters | Very high (if ≥16 chars) | Low | Banking, email, crypto wallets (use manager) |
| Pronounceable | High | Medium | Frequent logins you type manually |
| Diceware passphrase | Extremely high (with 6+ words) | High | Master passwords, long-term / high-value accounts |
Yes — 100% client-side JavaScript. No passwords or inputs are ever sent to any server. No tracking cookies, no logs, no analytics tied to generated passwords.
Diceware passphrases with 6–7+ words offer excellent security + memorability (77–90+ bits entropy). Random 16+ char strings are also top-tier if stored in a manager. Prioritize length and uniqueness over complexity rules.
It provides a conservative estimate (log₂ of pool size × length). Real-world resistance is much higher with slow hashing like bcrypt/Argon2. >80–100 bits is very strong today; 128+ bits is future-proof against brute-force.
Yes — especially Diceware (6+ words) or random 16+ chars. Always pair with 2FA/MFA and store in a reputable manager (Bitwarden, KeePassXC, 1Password). Never reuse across sites.
They offer a practical middle ground: stronger than dictionary words, easier to remember/type than pure random. Useful for accounts without copy-paste (e.g., phone calls, older systems).
No — NIST/OWASP recommend against forced periodic changes (leads to weaker passwords). Only change if you suspect compromise or a breach is reported.
Use a password manager + enable passkeys/hardware keys where possible. For ultra-sensitive accounts, combine long Diceware with MFA and monitor for breaches (e.g., Have I Been Pwned).
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