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Securitypublic tool

Password Generator

Generate strong passwords and passphrases with crypto-grade randomness. Nothing is stored, logged or transmitted — the values exist only in this tab.

Mode
Password
Pool
86 characters
Entropy
128.5 bits
Strength
Very Strong

Mode

Characters, or words

Character sets

What the generator is allowed to draw from

Generate

crypto.getRandomValues with rejection sampling — never Math.random

Estimated entropyVery Strong

128.5 bits

20 × log2(86) from a pool of 86 characters.

Results

Nothing generated yet

Set your options and press Generate.

Randomness comes from crypto.getRandomValues. Character draws use rejection sampling over a 32-bit word, so no index is favoured by a modulo bias. Nothing is written to storage, no network request is made, and closing the tab discards every value above.