Password StrengthCrack TimeEntropySecurityBrute ForceFree TesterPassword StrengthCrack TimeEntropySecurityBrute ForceFree Tester

Password
Strength

Real-Time · Crack Time · Entropy · Tips

Test Your Password

Analyzed locally — never sent anywhere.

Strength Scale

ScoreRatingCrack Time
0-20Very WeakInstant
21-40WeakMinutes-Hours
41-60FairDays-Months
61-80StrongYears
81-100Very StrongMillions of years

Best Practices

RuleWhy
16+ chars minimumLength beats complexity
Use password managerUnique passwords everywhere
Never reuseOne breach exposes all
Enable 2FASecond layer of protection
Use passphrases"correct-horse-battery" > "P@ss1"