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Passgen

Passgen generates random sequences from a dialect of regular expressions. It is suitable for generating secure passphrases that are memorable but have high-entropy. It is available for download as a command-line utility. For a quick overview of how it works, see usage.

  • Secure


    Passgen can use any source of randomness, defaulting to the system randomness generator.

    Security

  • Customizable


    Passgen supports a dialect of regular expressions to be able to generate any kinds of sequences.

    Grammar

  • Simple


    Passgen comes with many useful and secure presets out-of-the box that make generating secure passphrases simple.

    Presets

  • Open Source (MIT)


    Passgen is open-source and permissively licensed under the MIT license.

    License

Getting Started

If you want to try it out, take a look at the releases section where you can find signed tarballs and packages for your platform operating system. You can also compile it yourself, if you wish.

If you want to help develop it, see development, which has resources and links to get you started.