The CheerpJ Applet Runner is a browser extension/add-on that enables Java applets without requiring a local Java installation or to install deprecated plugins. CheerpJ Applet Runner is available as:
- Google Chrome Extension at https://chrome.google.com/webstore/detail/cheerpj-applet-runner/bbmolahhldcbngedljfadjlognfaaein
- Microsoft Edge Add-On at https://microsoftedge.microsoft.com/addons/detail/cheerpj-applet-runner/ebfcpaoldmijengghefpohddmfpndmic
Note that both versions are upgraded to release of 2.2 of CheerpJ.
Since Java Applets have lost support on the majority of browsers, a tremendous amount of content, particularly in science and education, is virtually inaccessible. We aim at solving this problem by providing a solution to extend the life of Java applets on modern browsers.
What is the CheerpJ Applet Runner?
Main project link: https://leaningtech.com/cheerpj-applet-runner/
Please note that CheerpJ Applet Runner extension is self packaged, meaning all needed assets will be downloaded at installation/update time. Usage of the CheerpJ Applet Runner will then only ever require users to download the actual applet content.
Using the CheerpJ Applet Runner
Please feel free to try the extension on any applet you like. Here are a few examples:
Bugs and Questions
We welcome any feedback and bug report, either through the Extension/Add-On itself (click on icon + “Report bug”) or on GitHub.
We aim at supporting as many Java applets as possible, and eventually Java WebStart applications.
You can find more information on the CheerpJ Applet Runner Extension in the FAQs