Password Toolbox
Generate random passwords or diceware passphrases, and check how strong an existing password is. Everything runs in your browser or on our Worker using cryptographic RNGs — no logs, no third-party calls.
Strength meter
Random password generator
Diceware passphrase
~48 bits entropy over 258 candidate words. For higher per-word entropy use the full EFF wordlist (7776 words ≈ 12.9 bits each); this app embeds a compact list to keep the bundle small.