Password Generator — Create Strong Passwords Instantly
Generate cryptographically secure passwords with customizable length, character sets, and complexity rules. All generation happens locally in your browser.
Why You Need a Password Generator
Humans are remarkably bad at creating truly random passwords. We gravitate toward dictionary words, predictable substitutions (@ for a, 3 for e), and patterns that feel random but are easily guessed by automated cracking tools. A password generator removes human bias entirely, producing strings that have maximum entropy per character.
Password Length vs. Complexity
A 20-character password using only lowercase letters has more entropy than a 10-character password using all character types. Length is the single most important factor in password strength. However, combining length with a diverse character set produces the strongest possible passwords. This tool defaults to 16 characters with all character types enabled.
Frequently Asked Questions
The generator uses the Web Crypto API (crypto.getRandomValues), which provides cryptographically secure random numbers sourced from your operating system's entropy pool. This is the same randomness source used by professional security tools.
No. Passwords are generated entirely in your browser and never sent to any server. Once you navigate away from the page, the generated password exists only where you copied or saved it.
A strong password is at least 16 characters long and includes a mix of uppercase letters, lowercase letters, numbers, and symbols. Longer passwords are exponentially harder to crack. Avoid dictionary words, personal information, and common patterns.