How long should a strong password be?

Security experts recommend passwords of at least 12-16 characters. Longer passwords are exponentially harder to crack. A 16-character password with mixed characters would take billions of years to brute-force with current technology.

Should I use the same password for multiple accounts?

No. Using the same password across multiple accounts means that if one account is compromised, all your accounts are at risk. Generate a unique password for every account and use a password manager to store them.

Password Generator

Generate strong, random passwords with custom length and character options — nothing leaves your browser.

Generating...

Password Length 16

Uppercase (A-Z) ABCDEFG

Lowercase (a-z) abcdefg

Numbers (0-9) 0123456

Symbols (!@#$) !@#$%&*

Generate Multiple Passwords ▾

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Click "Generate Batch" to create multiple passwords.

What Is a Password Generator?

A password generator creates random, unpredictable passwords that are significantly harder to crack than human-created passwords. People tend to use predictable patterns — dictionary words, birthdays, pet names, keyboard sequences like "qwerty" — all of which are vulnerable to dictionary attacks and social engineering. A random password generator eliminates these patterns by using cryptographically secure randomness to select characters.

This tool uses your browser's built-in crypto.getRandomValues() API, which provides cryptographically strong random numbers — the same source of randomness used by encryption software and security protocols. The generated passwords never leave your device.

How Long Should a Password Be?

Security experts recommend a minimum of 12 characters, with 16 or more being ideal for important accounts. Each additional character exponentially increases the time needed to crack a password by brute force. A 12-character password with mixed character types has over 475 sextillion possible combinations. At 16 characters, that number exceeds 10 octillion — effectively uncrackable with current and near-future computing power.

What Makes a Password Strong?

Four factors determine password strength: length (longer is better), randomness (no dictionary words or patterns), character variety (mix of uppercase, lowercase, numbers, and symbols), and uniqueness (different password for every account). This generator handles the first three — the fourth is your responsibility. Use a password manager like Bitwarden, 1Password, or KeePass to store your unique passwords securely.

Tips for Managing Passwords

Use a password manager: It stores all your passwords encrypted behind one master password.
Enable two-factor authentication (2FA): Even a strong password can be phished — 2FA adds a second layer.
Never reuse passwords: If one account is breached, unique passwords keep the damage contained.
Check for breaches: Use services like HaveIBeenPwned.com to check if your email has appeared in known data breaches.

Frequently Asked Questions

Security experts recommend at least 12-16 characters. A 16-character password with mixed characters would take billions of years to brute-force with current technology.

No. This generator runs entirely in your browser. Passwords are never sent to any server, stored in any database, or logged. Once you close the page, the session history is gone.

No. If one account is compromised, all accounts sharing that password are at risk. Generate a unique password for every account and use a password manager to store them.

A strong password is long (12+ characters), random (not based on words or personal info), and uses a mix of uppercase, lowercase, numbers, and symbols.