Password Strength Checker

Checks length, character variety, common passwords, repeated patterns, keyboard-like sequences, and other weaknesses directly in your browser.

No password entered
Score: 0 / 100

Estimated Entropy

0 bits
A rough mathematical estimate, adjusted downward for obvious patterns.

Estimated Offline Guess Time

Instantly
Illustrative estimate assuming about 10 billion guesses per second.

Length

0 characters
Longer passwords and passphrases are generally much harder to guess.

Character Variety

0 of 4 types
Lowercase, uppercase, numbers, and symbols.
×At least 12 characters
×16+ characters preferred
×Contains lowercase letters
×Contains uppercase letters
×Contains numbers
×Contains symbols
×Not a common password
×No obvious repeated or sequential pattern

Suggestions

Start typing to see an analysis.