The passwords people invent are catastrophically predictable: dictionary words, birthdays, keyboard walks, and the inevitable trailing '123!'. Attackers know every trick and test billions of guesses per second against leaked password databases. The only reliable defense is length and true randomness — which humans are incapable of producing mentally.
This generator creates cryptographically random passwords using your browser's secure random source. Choose the length and character sets, and the password never leaves your device — it is generated locally and is never transmitted or stored.
How to Use This Tool
- Set the desired length (16+ recommended).
- Toggle character sets: uppercase, lowercase, digits, symbols.
- Click generate, then copy the password.
- Store it in a password manager — never reuse it across sites.
Frequently Asked Questions
How long should a password be in 2026?
At least 16 characters for important accounts. Each added character multiplies the attacker's work; a random 16-character mixed password would take centuries to brute-force, while an 8-character one can fall in hours against modern GPU rigs.
Are random passwords better than passphrases?
Both work when long enough. Random strings pack more entropy per character; passphrases of 4–5 random words are easier to type and memorize for the one or two passwords you must know by heart (like your password manager's master password).
Is it safe to generate passwords in a browser?
Here, yes: the password is created locally with the Web Crypto API's secure random generator and never sent anywhere. Avoid generators that produce passwords server-side — you cannot verify the server is not logging them.