Password Hasher NG — Carsten Nielsen

Password Hasher NG is the convenient and secure way to have different passwords on all sites. Simply remember the masterkey and password hasher will generate a unique password based on your settings without ever storing your passwords.

For more information: https://github.com/phreaknerd/passhash-ng

Includes a standalone html-version based on https://github.com/redcatjs/passhash-ng-html