Question 1

How does this password generator work?

Accepted Answer

This tool uses the Web Crypto API (crypto.getRandomValues) to generate cryptographically secure random passwords entirely in your browser. No passwords are transmitted over the network or stored anywhere.

Question 2

What is password entropy?

Accepted Answer

Entropy measures the randomness of a password in bits. Higher entropy means the password is harder to guess. A password with 80+ bits of entropy is considered very strong. Entropy is calculated as length × log2(pool size), where pool size is the number of possible characters.

Question 3

Are passphrases more secure than passwords?

Accepted Answer

Passphrases can be both more secure and easier to remember than traditional passwords. A 4-word passphrase from a 200+ word list provides roughly 30+ bits of entropy, while a 6-word passphrase exceeds 46 bits. For maximum security, use longer passphrases or combine them with special characters.

Question 4

Is it safe to generate passwords in the browser?

Accepted Answer

Yes. This tool runs entirely client-side using your browser's built-in cryptographic random number generator. No data is sent to any server. You can verify this by checking your browser's network tab — no requests are made when generating passwords.

Question 5

What character sets should I use for a strong password?

Accepted Answer

For maximum security, enable all character sets: uppercase letters, lowercase letters, digits, and symbols. This gives the largest possible character pool (88+ characters), which significantly increases entropy per character. A 16-character password using all sets has over 100 bits of entropy.

Password Generator

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