Password Entropy Calculator
Determine the mathematical complexity of your password. Higher entropy (measured in bits) means a password is exponentially harder for algorithms to guess.
Entropy
0
bits
Strength
IDLE
Combinations
-
Estimated Time to Crack
Online Attack
100 attempts/sec
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Consumer GPU
10 billion hashes/sec
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Massive Botnet
100 trillion hashes/sec
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Lowercase (a-z) Uppercase (A-Z) Digits (0-9) Special Symbols