Local Password Strength Checker
Assess patterns in a password locally with guidance, without sending it or claiming a breach check.
Checked only in this page. It is never sent, saved, or logged.
Your result
Type a password to see how strong it is.
How to use it
- Type the password.
- Read the length, the classes, and the pattern line.
- Read that the breach list was not checked.
Examples
- A common wordpassword length: under 12 classes: 1 pattern: common breach: not checked
- A longer mixCorrect-horse-1 length: 12 or more classes: 4 pattern: none of the listed words breach: not checked
- Digits12345678 length: under 12 classes: 1 pattern: common breach: not checked
Tool details and privacy
Type a password of at most 200 characters. The page counts four classes and looks for password, 123456, qwerty, 111111, and abc123. The last line says the breach list was not checked.
A local note is not a breach lookup. The page says so on every result.
Options
- Classes are lowercase, uppercase, digits, and other characters.
- The common list is password, 123456, qwerty, 111111, and abc123.
Limits
- Breach lists are not checked.
- A password longer than 200 characters is refused.
- The password is not stored.
Privacy
What you type stays in your browser. Nothing is uploaded or saved on the server.
Questions
Is a breach list checked?
No.
What does password report?
Length under 12, one class, a common pattern, and breach not checked.
Is the password stored?
No.
Is it uploaded?
No.