How Strong is Your Password? Free Checker That Never Sees Your Password

Most password checkers send your password to a server. Mine does not. Everything runs client-side. What it checks Entropy — mathematical strength in bits Time to crack — at 10 billion guesses per second Character diversity — uppercase, lowercase, numbers, symbols Length requirements — 8+ and 12+ character checks Common pattern detection — catches "123", "abc", "password" Example Results Password Strength Time to Crack password Very Weak Instant P@ssw0rd Fair 2 minutes MyD0g$Name2024 Strong 1M years kj#8Hm!pQ2&xL9 Very Strong Centuries+ Privacy Your password never leaves your browser. There is no server, no API call, no logging. Check the source — it is a single React component with zero network requests. Check Your Password Related: Password Generator — Generate secure passwords Hash Generator — SHA-256, MD5, etc. Full toolkit: devtools-site-delta.vercel.app