Use a password manager
Let it remember unique passwords for every account.
Strong Password Generator
Create passwords that are genuinely hard to guess. Generate random passwords with the characters you need, or memorable passphrases made of random words, and copy them straight into your password manager.
- 100% free
- No sign-up
- Generated securely on your device
How to use
How to use the Password Generator
- Choose a random password or a passphrase.
- Set the length and character types, or the number of words.
- Generate several and pick one.
- Copy it into your password manager.
Private by design. Passwords are generated by your browser's cryptographically secure random number generator. They are never sent anywhere, logged or stored.
About this tool
What makes a password strong?
Strength comes from unpredictability, which is measured in bits of entropy. Every extra character multiplies the number of possible passwords, so length matters more than clever substitutions. A random 16-character password with mixed characters has around 100 bits of entropy, far beyond what any attacker can guess.
Passphrases offer a different balance: four or five random words are easy to type and remember, yet still strong because the words are chosen at random from a large list. Both modes use your browser's cryptographically secure random generator, not the predictable Math.random function.
Good to know
Password tips
Never reuse passwords
One leaked password should not unlock your other accounts.
Turn on two-factor
Two-factor authentication protects you even if a password leaks.
Longer beats complex
Sixteen characters or a five-word passphrase is a good target.
FAQ
Password Generator FAQs
Are these passwords really random?
Yes. They come from your browser's cryptographically secure generator, crypto.getRandomValues.
Do you store the passwords?
No. They are generated on your device and never sent or saved.
How long should my password be?
At least 12 characters, and 16 or more for important accounts.
Are passphrases safe?
Yes, when the words are chosen randomly. Four words is reasonable; five or more is better.
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