PassDuck logoPassDuck

A lightweight extension for instantly generating strong,
secure passwords.

Free password and passphrase generator for Chrome, Brave, Edge and Safari

Also available for Safari on macOS and Chrome, Brave.

Cryptographically secure password generation

PassDuck popup generating a random password with an entropy meter and colour-coded characters
  • Cryptographically secure random generation.
  • Real-time entropy meter.
  • Character highlighting for clarity.
  • Your data stays yours - local processing, no page access.

Passphrase generation from curated word lists

  • Generate passphrases from curated word lists.
  • Adjustable word count for your security needs.
  • Words in English or German for universal compatibility.
  • Multilingual localization.
PassDuck popup generating a multi-word passphrase with an adjustable word count

Customisable character sets, length and dark theme

PassDuck settings showing character set options, password length slider and dark theme
  • Customize your preferred character set.
  • Adjust password length.
  • Persisted states in settings.
  • Dark theme support (based on OS preference).