Security
Password Strength Checker
Analyze the strength of your passwords. Runs on your device — nothing is uploaded, nothing is stored.
Strength Analysis
Very WeakVery Strong
0Characters
0Entropy (bits)
InstantTime 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.
Related
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