Password Strength Checker
Real-time analysis — your password never leaves your browser.
Strength Analysis
Very WeakVery Strong
0
Characters
0
Entropy (bits)
Instant
Time to crack

Requirements

At least 8 characters
Uppercase letter (A-Z)
Lowercase letter (a-z)
Number (0-9)
Special character (!@#$...)
No common patterns
12+ characters
Tips to Improve
  • Enter a password to analyze its strength.
About Password Strength

Analyze the strength of any password in real time. Checks entropy, character variety, common patterns, and dictionary words. All analysis runs locally.

Password Strength is a free tool in the Security Tools category on BrowseryTools. It runs entirely in your browser — your data is never uploaded to a server, and there's no registration, no ads, and no watermarks, so your privacy is fully preserved.

Frequently asked questions