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.

Request a demo › Applet use cases

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.

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Oracle Forms and EBS

Support Applet-based Oracle frontends in modern browsers while removing plugin dependence.

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Managed Enterprise Environments

Use the extension as an operational bridge for business-critical Applet-based clients.

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CheerpJ Applet Runner is free to use for personal projects, most non-commercial applications, and technical evaluations. View licensing.

Learn More About CheerpJ Applet Runner

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.

Request a demo ›