ToolsSecurity
Cryptographically secure passwords and Diceware-style passphrases. Generated in your browser using window.crypto — never transmitted.
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Why entropy matters
Bits of entropy = how many guesses (in powers of 2) an attacker needs. 60+ bits resists offline attack on a strong hash. 75+ bits is solid for any account. 100+ bits is overkill for human use, perfect for keys.
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