Is a 15-Character Password Strong Enough?
A 15-character password with mixed types is very strong and meets NIST SP 800-63B. It could take billions of years to crack with current technology—suitable for all accounts.
| Length | Entropy | Estimated Crack Time |
|---|---|---|
| 15 characters | ~98 bits | Billions of years |
Do not copy a 15-character example from the internet
Any password printed on a website, including this one, is already public. Use the generator above to make a new 15-character password in your browser.
When to Use a 15-Character Password
Use 15-character passwords as a strong default for all accounts, including work, email, and banking. NIST and CISA recommend at least 15–16 characters for high-value accounts.
How to Generate a Strong 15-Character Password
Click Generate above. This page is set to 15 characters. A password printed on a website is already public, so this page does not list samples you can copy. Make a new one here, then save it in a password manager.