Password Generator
Generate strong, random passwords instantly. Everything runs in your browser. Nothing is sent to any server.
Why Use a Password Generator?
Humans are bad at creating random passwords. We reuse favorites, swap letters with numbers in predictable ways, and choose passwords that are easy to type rather than hard to crack. A random password generator removes human bias entirely, creating passwords that are truly unpredictable.
How Long Should My Password Be?
Longer is always better. A 12-character password with all character types has about 79 bits of entropy and would take centuries to brute-force. 16 characters pushes that to about 105 bits. Most security experts recommend at least 14-16 characters. This generator goes up to 64 for maximum security.
Is This Generator Safe?
Yes. Passwords are generated entirely in your browser using the cryptographically secure Web Crypto API (crypto.getRandomValues). No passwords are ever transmitted, stored, or logged. You can disconnect from the internet and it still works.
Should I use a password manager?
Absolutely. A password manager lets you use a unique, strong password for every account without memorizing them. You only need to remember one master password. Popular options include Bitwarden (free), 1Password, and the built-in managers in Chrome, Safari, and Firefox.
What is entropy?
Entropy measures how unpredictable a password is, in bits. Each bit doubles the number of possible combinations. A password with 80 bits of entropy has 2^80 possible combinations, which is over a septillion. Higher entropy means harder to crack.
Are passphrases better than random passwords?
Passphrases (like "correct horse battery staple") are easier to remember and can be very strong if they are long enough. A 4-word passphrase from a large dictionary has roughly 50-60 bits of entropy. A 16-character random password with all character types has about 105 bits. For maximum security, random passwords win.