Passphrase Generator

Generate memorable yet strong passphrases from the EFF wordlist, with entropy estimation, strength rating and batch generation

FAQ

How is the strength of a passphrase guaranteed?
Words come from the EFF Large Wordlist of 7776 entries, about 12.93 bit of entropy each. Randomness uses crypto rejection sampling without bias. More words mean higher entropy.
Are generated passphrases uploaded or saved?
No. Generation happens entirely in your browser. Results are not uploaded to any server and are not stored automatically. Copy them somewhere safe right away.

All data is processed locally in your browser. Nothing is uploaded.