Advanced Password Generator

A strong password is your first line of defense against unauthorized account access. Security experts recommend passwords that are at least 16 characters long, combine uppercase letters, lowercase letters, numbers, and symbols, avoid dictionary words or personal information, and are unique for every account. This advanced password generator lets you configure every parameter — length, character sets, excluded ambiguous characters (like 0, O, l, 1), and minimum counts per character type — to match the exact requirements of any site or system.

All password generation happens cryptographically in your browser using the Web Crypto API (crypto.getRandomValues()), which provides true randomness suitable for security-sensitive applications. Your generated passwords are never transmitted to any server, never logged, and never stored. The generator never uses Math.random(), which is not cryptographically secure. For maximum security, generate a new password here and immediately store it in a password manager like Bitwarden, 1Password, or KeePass. Never reuse passwords across accounts — with a password manager, each account can have a unique, long, random password without the burden of memorization.