Superior Application Performance.
Excelsior JET makes your Java programs run at the speed of C/C++ programs through the extensive use of classical optimizations and object-oriented optimizations carefully adapted to Java.

Superior Code Protection.
Excelsior JET helps you protect your intellectual property: instead of Java class files, extremely easy to reverse engineer, your end users receive highly optimized native code executables that are much less comprehensible.

Superior Scalability.
Elimination of the virtual machine and run-time compilation from the execution process, extremely low heap overhead, and automatic sharing of code and data between processes at the operating system level. All of which will dramatically reduce the memory footprint of your Java applications.

Smooth toolchain integration. Excelsior JET has extremely low impact on your established development cycle. You continue using your favorite tools for the most important stages: design, coding, debugging, and testing, without any changes. Once your application works stably on a virtual machine, you compile and package it with JET, conduct quality assurance testing and deploy to end-user systems.

Easy Deployment.
The JetPack utility packages your application files into a self-installing archive. Upon its startup, your splash screen and license agreement may optionally be displayed. Then a GUI wizard is launched, allowing the user to specify installation directories and the like.

Mixed Compilation Model.
Java to native code compilers are often criticized for not supporting Java dynamic facilities. Excelsior JET 2.0, Professional Edition is the first Java-to-native compiler for Microsoft Windows to introduce Mixed Compilation Model, in which a scaled down version of the main compiler handles classes loaded dynamically at run-time.

Mixed Compilation Model provides complete support for dynamic class loading, effectively making JET fully conforming to the Java specification. It enables you to statically compile applications that employ RMI Distributed Class Model, Dynamic Proxy API, third-party plug-ins, or any other mechanisms essentially relying on dynamic loading of classes.

Other Editions

Excelsior JET 2.0, Standard Edition is the fast track solution for compilation of self-contained Java applications to native code. The table below compares features of Standard and Professional Editions.

System Requirements

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