Password Strength Checker
Review password quality with browser-side checks before using it, with no account and no backend workflow.
A password strength checker flags short, repetitive, common, or predictable passwords.
Longer passwords with varied characters and fewer patterns usually score better.
Prefer length
A longer passphrase often beats a short complex-looking password.
Avoid predictable text
Names, keyboard walks, repeats, and common words reduce quality.
Try a common strength check
The check runs in your browser. Do not paste passwords you cannot safely display on this device.
Score
100/100
Strong
Harder to guess for everyday use
Suggested workflow
Password quality workflow
Check a password, generate a stronger one if needed, then fingerprint notes or files locally.
How is password text processed?
The strength check is handled in the browser for this tool based on the current public implementation.
What does the score measure?
The score considers length, character variety, unique characters, common weak patterns, repeats, and simple sequences.
Is this a security guarantee?
No. It is a practical quality check, not a guarantee that an account or password is secure.
Should I paste real passwords?
Only paste a password when you trust the device and screen privacy. The public tool is designed for browser-side checks, but your physical environment still matters.