Password Generator
Generate strong random passwords with custom length, uppercase, lowercase, numbers, and symbols.
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Frequently Asked Questions
How secure are the generated passwords?
Passwords are generated using the browser's built-in cryptographically secure random number generator (window.crypto.getRandomValues). They never leave your browser — no password is sent to any server. A 16-character password using all character types has over 95^16 possible combinations.
What makes a password strong?
Password strength comes from length and character variety. A 12-character password with uppercase, lowercase, numbers, and symbols is far stronger than a 20-character password using only lowercase letters. Avoid predictable patterns, dictionary words, and personal information.
What is a passphrase, and is it better than a random password?
A passphrase is a sequence of random words (e.g. 'correct horse battery staple'). Long passphrases are highly secure and easier to remember than random character strings. A 4-word passphrase from a 7,776-word list (diceware) has about 51 bits of entropy, comparable to a 10-character random password.
Should I use a password manager?
Yes. Password managers generate and store unique, complex passwords for each site so you only need to remember one master password. Popular options include Bitwarden (free, open source), 1Password, and Dashlane. Using the same password across multiple sites is a major security risk.
Why should I avoid using personal information in passwords?
Attackers use social engineering and data from breaches to guess passwords. If your password includes your name, birthday, pet's name, or favorite team, it can be guessed through targeted attacks even if the password looks complex. Always use randomly generated passwords.