What makes a password secure?

A secure password should be at least 12 characters long, include uppercase and lowercase letters, numbers, and special characters. It should be unique and not contain personal information or common words.

How long should my password be?

For maximum security, use passwords that are at least 12-16 characters long. Longer passwords are exponentially harder to crack, even with advanced computing power.

Is this password generator safe to use?

Yes, our password generator runs entirely in your browser. No passwords are sent to our servers, ensuring complete privacy and security of your generated passwords.

🔐 Password Generator

Create secure, strong passwords with customizable options. Generate passwords with letters, numbers, and special characters.

Generated Password

Click "Generate Password" to create a secure password

Password Length: 12

Uppercase Letters (A-Z)

Lowercase Letters (a-z)

Numbers (0-9)

Special Characters (!@#$%^&*)

Exclude Similar Characters (0, O, l, I)

Exclude Ambiguous Characters ({ } [ ] ( ) / \ ~)

Free Cryptographically Secure Password Generator

Generate strong random passwords instantly in your browser. Choose your length, select character sets (uppercase, lowercase, numbers, symbols), and click Generate. All randomness uses crypto.getRandomValues() — the browser's cryptographically secure random source — not the predictable Math.random(). Passwords are never stored or transmitted.

Why Use a Password Generator?

Human-chosen passwords are predictable. People gravitate toward words, names, and dates — and attackers know this. Dictionary and credential stuffing attacks exploit these patterns. A randomly generated password with sufficient length has no pattern, making it exponentially harder to crack by brute force.

The most important rule: use a unique password for every account. If one service is breached, credential stuffing tries the same password everywhere else. Unique passwords contain the damage to one account.

What Makes a Password Strong?

Length — the single most important factor. Every extra character multiplies the search space exponentially. Use 16+ for most accounts, 20+ for high-value ones

Randomness — generated by a cryptographically secure source, not chosen by a human

Uniqueness — never reused across different accounts

Character variety — mixing uppercase, lowercase, digits, and symbols increases entropy per character

Is it safe to generate passwords in a browser?

Yes, when using a reputable tool. NeatJSON uses crypto.getRandomValues() — the same cryptographic random source used for TLS — and never sends generated passwords anywhere. The entire operation is client-side JavaScript.

Should I use a passphrase instead?

For passwords you must memorize (master password, computer login), a 4–5 word random passphrase gives 50+ bits of entropy and is far more memorable than a character string. For passwords stored in a password manager, use fully random character strings — memorability doesn't matter.

How often should I change passwords?

Only when there is a reason: a suspected breach, if someone else may have seen it, or if a service is compromised. NIST no longer recommends periodic rotation — it leads to predictable incremental changes (Password1 → Password2) that do not improve security.