CheerpJ JNLP Runner is a browser extension that enables you to run Java Web Start applications directly in modern browsers, without the need for a Java plugin or a Java installation. Designed for individual users and organizations, it requires no technical knowledge or setup.

Are you a developer? If you are interested in a more advanced usage, explore CheerpJ Core, the technology behind the CheerpJ JNLP Runner. Check out our product website and the CheerpJ documentation to learn more.

Features

• Runs Java Web Start applications without modifying the code or installing Java.
• Compatible with Chrome and Edge.
• Easy to use, no technical knowledge required.
• Group Policy Object (GPO) support for enterprise environments.

Getting Started

To get started with CheerpJ JNLP Runner, you need to install the extension from the Chrome Web Store or the Edge Add-ons store. For step-by-step instructions, see our Chrome Installation and Edge Installation pages.

Once installed, you can run Java Applets on any website. Visit our using the extension for the first time page for more information.

Community

We have an amazing community of developers and users. Join us today to stay up to date with the latest news, to share your experience with our technologies or to report any bugs.