Password Analyzer
Check password strength, estimate entropy, and mask secrets in text.
Sensitive data: Anything you enter is processed in your browser only. It is never uploaded or logged on a server.
Analyzing password strength and entropy
Strength meters estimate crack time from length, charset, and dictionary patterns. Entropy calculations quantify bits of uncertainty. Masking utilities redact secrets in pasted logs before sharing with support.
Meters are educational, not guarantees. Breached-password lists defeat high-entropy strings users reused from another site. Pair analysis with have-i-been-pwned checks in production systems, not just visual meters.
Masking must catch JWT-shaped substrings, AWS keys, and assignment lines in .env format. Review masked output manually; regex redaction misses novel secret formats.
Analyze and mask locally on support tickets containing user credentials. Avoid uploading full log files to strength-check websites.
Reference Guide
Security tool - all processing runs locally in your browser. No data is sent to a server.
Operation: password-strength
Paste input, click Run, and copy the result. For two-input tools, fill both fields before running.
Example Input
Tr0ub4dor&3
A sample loads automatically when you open this tool. Use Load Sample to reset it.