Entropy Analyser / v1.0 ● LIVE

How strong is your password, really?

Type below. Nothing leaves this page — all scoring runs in your browser. Entropy is calculated from character-pool size and length, then adjusted for common weaknesses.

» Enter password
VERY WEAKWEAKFAIRSTRONGELITE
— — —
Entropy
0bits
Length
0chars
Pool size
0symbols
GPU*
Supercomputer†
a–z
A–Z
0–9
!@#$
space
extended
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