Run Java Applets in the browser
The CheerpJ Applet Runner extension allows you to run legacy Java Applets on Google Chrome or Microsoft Edge without having to install Java.
It provides a practical way to preserve access to existing Applet-based systems when rewriting or replacing them is not realistic.
Run Java Applets without Java Desktop
A modern, secure solution to preserve Applet-based applications.
Applets without Java Desktop
Run Java Applets without a local Java installation, entirely within your browser.
Compatible with Chrome and Edge
Runs securely within the browser sandbox on modern Chromium-based browsers.
Easy to use
A one-click extension for end users and a manageable compatibility tool for organizations.
Extensive compatibility
Based on CheerpJ, with support for networking, file systems, clipboard access, Swing, AWT, and broad Java 8 coverage.
Common Scenarios
Public Applet Sites
Restore access to public-facing Applets without asking users to install or maintain Java locally.
Learn more →Oracle Forms and EBS
Support Applet-based Oracle frontends in modern browsers while removing plugin dependence.
Learn more →Managed Enterprise Environments
Use the extension as an operational bridge for business-critical Applet-based clients.
Learn more →CheerpJ Applet Runner is free to use for personal projects, most non-commercial applications, and technical evaluations. View licensing.
Need help preserving a Java Applet?
We can help you evaluate compatibility, decide whether an extension or integration is the better fit, and plan the safest rollout path for legacy Applet access.
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