How Long Should a Password Be? NIST Rules + Free Generator
NIST says a password used alone should be at least 15 characters, and CISA says 16. Here is what that means for each acc...
Create uncrackable passwords or easy-to-remember passphrases. Generated securely in your browser with a live strength meter and estimated crack time.
Passwords are created on your device with Web Crypto — never sent, logged or stored.
Pick a random password or a passphrase, then set the length and character types.
A new secure password appears instantly — click generate for another.
Copy it with one click and save it in your password manager.
Uses your browser’s secure random generator (Web Crypto), not predictable math.
See the password’s entropy and an estimated time to crack it.
Generate strong passphrases made of random words that are easy to type.
Optionally exclude confusing characters like l, 1, O and 0.
Create up to 50 passwords at once and copy them all.
Passwords are created on your device and never stored or transmitted.
Works well with: word counter, unit converter, text compare, percentage calculator — or browse all text & utility.
Everything you need to know about the Password Generator.
Back to the toolLength matters most. A strong password is at least 14–16 characters long, random, and uses a mix of upper and lower case letters, numbers and symbols.
Yes. Passwords are generated in your browser using the secure Web Crypto API. They are never sent to our server, logged or stored.
A passphrase is a sequence of random words, like “river-candle-orbit-mango”. It is long, very hard to guess, and much easier to remember than random characters.
It is based on the password’s entropy, assuming an attacker can try 10 billion guesses per second — a very fast, offline attack.
Never. Use a unique password for every account and store them in a password manager.
NIST says a password used alone should be at least 15 characters, and CISA says 16. Here is what that means for each acc...
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