Uses crypto.getRandomValues() for true randomness, not pseudo-random Math.random()
Control length, character types, and switch between password and passphrase modes
Real-time entropy-based password strength analysis with visual feedback
Passwords are generated in your browser. Nothing is sent to any server, ever
Select at least one character option
Password Strength
Strong
Generation Mode
Password Length: 16
Character Types
Creating strong passwords is essential for protecting your online accounts. Our free password generator creates cryptographically secure passwords using your browser's built-in random number generator, ensuring maximum security without sending any data to external servers.
Our tool supports both traditional passwords and passphrases. Passphrases use random words separated by hyphens (like "correct-horse-battery-staple"), making them easier to remember while still being highly secure. A 4-word passphrase can be as secure as a complex 12-character password.
Our passwords are generated using the Web Crypto API (crypto.getRandomValues), which provides cryptographically secure random numbers. This is the same standard used by password managers and security applications.
Yes, all password generation happens entirely in your browser using JavaScript. No passwords are sent to or stored on any server. Your generated passwords never leave your device.
We recommend at least 16 characters for important accounts. Longer passwords with a mix of uppercase, lowercase, numbers, and symbols are exponentially harder to crack.
The strength meter calculates entropy based on the character set size and password length. It considers the total number of possible combinations a brute-force attack would need to try.
A passphrase is a password made of random words (like 'correct-horse-battery-staple'). Passphrases are easier to remember while still being very secure due to their length.
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