Password Entropy Calculator
Measure the entropy of any password in bits.
Entropy = length × log₂(pool size). Calculated in your browser — nothing is sent or stored. Aim for 60+ bits for everyday accounts and 80+ for important ones.
Measure the entropy of any password in bits.
Entropy = length × log₂(pool size). Calculated in your browser — nothing is sent or stored. Aim for 60+ bits for everyday accounts and 80+ for important ones.