Password Generator
Generate strong, random, secure passwords in your browser — free and private.
Create strong, secure passwords instantly
The Password Generator creates strong, random passwords that are extremely hard to guess or crack. You control the length and which character types to include — uppercase letters, lowercase letters, numbers, and symbols — and a new password is generated instantly. Every password is built in your browser using your device's cryptographically secure random number generator, so it is never transmitted, logged, or stored anywhere.
Why you need a strong, unique password
The most common way accounts get compromised is not sophisticated hacking — it is reused and weak passwords. When one site is breached, attackers try the leaked email and password combination on hundreds of other sites, a technique called credential stuffing. A long, random, unique password for every account defeats this entirely. The two factors that matter most are length and randomness: a 16-character random password has so many possible combinations that brute-forcing it is computationally infeasible.
What makes a password strong
- Length first. Aim for at least 16 characters. Each extra character multiplies the number of possibilities.
- Randomness. Avoid words, names, dates, and keyboard patterns. Truly random beats clever every time.
- Variety. Mixing character types increases the pool size and therefore the strength.
- Uniqueness. Never reuse a password across accounts.
Understanding entropy
This tool shows an estimate of password entropy in bits, which measures how unpredictable the password is. Higher is better. As a rough guide, under 45 bits is weak, 45–70 is moderate, 70–100 is strong, and 100+ bits is very strong. Entropy grows with both the length and the size of the character pool, which is why enabling more character types and increasing length both help.
| Entropy | Rating | Guidance |
|---|---|---|
| Under 45 bits | Weak | Easily cracked — increase length. |
| 45–70 bits | Moderate | Okay for low-risk accounts. |
| 70–100 bits | Strong | Good for most accounts. |
| 100+ bits | Very strong | Ideal for important accounts. |
How to use the password generator
- Set the length with the slider (16+ is recommended).
- Choose which character types to include.
- Click the refresh icon to generate a new password, or copy the current one.
- Paste it into your password manager and save it for that single account.
Use a password manager
Strong passwords are only practical if you do not have to remember them. A reputable password manager stores a unique generated password for every account and fills them in automatically. You only need to remember one strong master password. Generate here, save there, and you get the security benefits without the mental overhead.
Private and secure by design
This generator never sends your password over the network. It uses the Web Crypto API's secure randomness when available, generates everything locally, and keeps nothing. Refresh the page and the password is gone for good — exactly what you want from a security tool.
Frequently asked questions
Are these passwords really secure?
Yes. Passwords are generated locally using your browser's cryptographically secure random number generator and are never sent anywhere.
How long should my password be?
At least 16 characters for important accounts. Length is the single biggest factor in password strength.
Is the password sent to a server?
No. Everything happens in your browser. Nothing is transmitted, logged, or stored.
Should I use symbols?
Yes, when the site allows them. Including symbols increases the character pool and makes the password harder to crack.
Can I trust an online password generator?
This one is safe because it runs entirely client-side with no network calls. For maximum safety, generate the password and store it in a password manager.