How strong should my password be?

A 16-character password using mixed letters, digits, and symbols provides approximately 105 bits of entropy — sufficient against any current attack.

Is generating passwords in the browser safe?

Yes. We use the WebCrypto API (crypto.getRandomValues), which provides cryptographically secure randomness, and we never send the password anywhere.

How often should I change my password?

Modern guidance (NIST SP 800-63B) is to change passwords only when there's evidence of compromise. Forced rotation tends to make passwords weaker.

What makes a password strong?

Length matters most. A 16-character random password with mixed character types has ~105 bits of entropy — far beyond what any current attack can crack in a human lifetime.

Should I use a password manager?

Yes. Strong passwords are impossible to memorize. Use a manager like Bitwarden, 1Password, or your browser's built-in manager to store them securely.

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Password Generator

Create strong, random passwords with customizable length and character sets — runs offline.

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About this tool

Generate cryptographically random passwords using your browser's WebCrypto API. Choose length, character classes, and exclude confusing characters. Nothing is transmitted.

How to use

1 Set the desired password length using the slider (minimum 12 characters recommended).
2 Toggle character sets: uppercase, lowercase, numbers, and symbols.
3 Optionally enable 'Exclude ambiguous' to avoid characters like 0/O and l/1.
4 Set Count to generate multiple passwords at once, then click Copy.

Frequently Asked Questions

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