Password Strength Checker
Score password strength locally. Computes entropy, character-class breakdown, and suggestions for improvement. Your password never leaves your browser.
Show
Your password never leaves the browser — checking is local only.
Strength
Weak
Length
0
Charset size
0
Pool of possible characters
Entropy
0 bits
length × log₂(charset)
Character classes
· Uppercase· Lowercase· Numbers· Symbols
Suggestions
- Enter a password to check its strength.