Password Generator
Generate strong, cryptographically random passwords. Recommended: 16+ characters with mixed types.
Options
Off — batches live only in this tab. Reload or close it and they are gone, and nothing is written to this device.
About Password Generator
How strong is "strong"?
Each bit of entropy doubles brute-force time. 60 bits ≈ days to crack offline; 80 bits ≈ years; 100+ bits is effectively unbreakable today. Use a password manager — you don’t need to memorize 80-bit passwords.
Why randomness matters
This generator uses `crypto.getRandomValues` — cryptographically secure. Math.random() is predictable enough that attackers can sometimes reverse-engineer it. Always use crypto-grade randomness for passwords.
Diceware / passphrase alternative
A 6-word random passphrase from a 7,776-word list has ~77 bits of entropy and is much easier to remember. Use whichever you can actually use without writing down.