Password Tools
Free browser-based Password Tools tools.
Password Generator
Configurable strong password generator
Password Strength Checker
Score and analyze password strength
Passphrase Generator
Diceware-style memorable passphrases
Password Entropy Calculator
Compute Shannon entropy in bits
Password Pattern Analyzer
Detect common patterns and weaknesses
Common Password Checker
Check against a list of common passwords
Password Length Estimator
Estimate crack time by length
PIN Generator
Random PIN codes of any length
Memorable Password Generator
Word + symbol blended passwords
Password Comparison Tool
Compare two passwords side by side
Password Policy Validator
Validate against a custom policy
Random Username Generator
Generate privacy-friendly usernames
Password Aging Calculator
Estimate password rotation windows
Password History Auditor
Detect reuse across local list
Master Password Helper
Derive site passwords from a master