The applet version of CryptoToolJ will start up shortly in a separate "CryptoToolJ" window. The download will take a few seconds with a direct Internet connection or around half a minute with a modem connection.
Requirements: CryptoToolJ Applet requires a Java 1.1 compliant browser such as Netscape 4.5 or later (Windows/PC) or IE 4.0 (PC or Mac). Warning: The applet does not work particularly well on a Macintosh.
User Guide: Brief instructions on how to use CryptoToolJ.
Standalone Version: You can download an application version of CryptoToolj.