Create Secure Password

Security starts with the password you choose. Use this free, in-browser secure password generator to create cryptographically random passwords that no attacker can crack. Everything runs locally — your password is never transmitted, stored, or logged.

What Makes a Password Truly Secure?

A secure password is one that resists all known attack methods — not just today, but for the foreseeable future. Security isn't about complexity tricks like substituting "$" for "s". It's about cryptographic randomness and sufficient length.

Why Cryptographically Random Passwords Are Essential

• CSPRNG vs. Pseudorandom: Most "random" generators use Math.random(), which is not cryptographically secure. Our generator uses crypto.getRandomValues() — the same CSPRNG your browser uses for TLS encryption.
• Zero transmission: The password never leaves your device. No API calls, no server logs, no analytics tracking the characters you generate.
• True entropy: Every character is drawn uniformly from the full character pool. No bias, no patterns, no predictability.
• Open-source verifiable: The generation logic is plain JavaScript in your browser — inspect it, audit it, trust it.

Understanding Your Threat Model

Not all threats require the same level of password security. A secure password should be proportional to the value of what it protects:

Threat Level	Example Accounts	Recommended Length
Low	Newsletters, forum accounts, throwaway services	12–16 characters
Medium	Social media, shopping accounts, SaaS tools	16–20 characters
High	Email, banking, password manager master password	20–32 characters
Critical	Domain registrars, cloud infrastructure, admin panels	32–64 characters (passphrase + complex)

Common Myths About Secure Passwords

• ❌ "Passwords need to be changed every 90 days": NIST SP 800-63B explicitly deprecates mandatory periodic password changes unless there's evidence of compromise.
• ❌ "A passphrase is always more secure": Passphrases (e.g., "correct-horse-battery-staple") can be strong, but random complex passwords with equal length have higher entropy per character.
• ❌ "Mix of cases and numbers is enough": Without symbols and sufficient length (16+), even "mixed" passwords can be cracked in reasonable time by modern GPU clusters.
• ❌ "Password strength meters are reliable": Many client-side strength meters use simplistic heuristics. Length is the only metric that matters most.

Compliance and Regulatory Context

Creating secure passwords isn't just good security — it's a regulatory requirement for many industries. NIST SP 800-63B (2025 update), GDPR Article 32, HIPAA Security Rule, PCI DSS v4.0, and SOC 2 all require or strongly recommend cryptographically generated passwords for system and user accounts.

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