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ImmediateCrypt is a free and open-source application that allows you to encrypt and decrypt plain text messages.


Try it now

Launch it with Java Web Start

Test it with the demo Web Application (no Java required)


Current version is: 1.0.1

Get it here:

Requirements: Java Runtime Environment 6 or higher (download Java).

Usage instructions

See this page.

Some details

ImmediateCrypt employs the following cryptographic standards and techniques:

It is released under the GPLv3 license (full Java source available) and works under any Java-enabled environment (Windows, Linux and Mac OS X).


For questions, remarks, etc... feel free to contact me at


If you like ImmediateCrypt, consider making a small donation for my time invested.

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