The Riddler Password Manager is a powerful Password Manager and Data encryption tool to secure your private accounts and manage your passwords. Password Manager The Riddler is incredibly easy to use. Password Manager The Riddler is completely free without limitations, enjoy it. All data and not only passwords is encrypted using SHA-256 bit and AES-128 bit encryption algorithms. Nobody could use password recovery tools to decrypt your data because for maximum security master password is encoded using a one way method.