CheerpJ Applet Runner

CheerpJ Applet Runner

Run Java applets without installing Java

What is CheerpJ Applet Runner?
"CheerpJ Applet Runner" is an Edge add-on developed by Leaning Technologies. It enables users to run legacy Java Applets on modern browsers without the need for a Java plugin or a local Java installation. It operates by converting the Java Applet to WebAssembly and JavaScript instantly. This extension ensures privacy and security as it runs fully client-side without collecting any data or analytics.
Stats
Version: 10.6 (Last updated: 2023-01-31)
Creation date: 2021-09-06
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
Permissions:
  • scripting
  • activeTab
Size: 81.60M
Stats date:

Other platforms

CheerpJ Applet Runner
CheerpJ Applet Runner (v10.6)
4.53 (242) 100,000
Not available on Firefox
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Summary

CheerpJ Applet Runner - Run Java applets without installing Java

With the CheerpJ Applet Runner extension, you can run legacy Java Applets on modern browsers without a Java plugin or a local installation of Java.

Using The CheerpJ Applet Runner is simple. Install the extension, visit your Applet-based website, and enable the extension by clicking on its icon on the upper right corner of your browser!

This extension works by 'converting' the Java Applet to WebAssembly and JavaScript on the fly. It is private and secure, runs fully client-side (i.e. it does not contact any server), and does not collect any data or analytics at all. All your data, as well as your application are kept within the boundaries of your browser.

This extension, developed by Leaning Technologies, is based on CheerpJ, a professional Java to HTML5 compiler. More information on CheerpJ are available at https://leaningtech.com/cheerpj/

This software is free to use for non-commercial purposes on public-network Applets. For any other use, such as internal network applets, or if you are a company or public-sector organisation and would like to licence CheerpJ, please get in touch with sales@leaningtech.com.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Edge Add-on Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Allows running Java applets on Edge browser
  • Useful for accessing old websites or government programs that require Java
  • Improves workflow for some users
Cons
  • Occasional hanging and reloading required
  • Limited options for automatic activation
  • Issues with encoding and other DOM elements when activated
Most mentioned
  • Java applet support
  • Activation issues and nuisances
  • Useful for accessing specific websites or programs
Recent reviews
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by Quentin, 2024-03-18

its unable to launch java applet on my Edge. Useless add on.
by Rashid, 2022-10-13

Única solução para ainda conseguir rodar sites como o conectividade social da Caixa, utilizando o modo compatibilidade com o Internet Explorer do Edge. Obrigado!
by Jairo, 2022-07-25
View all user reviews
Safety
Risk impact

CheerpJ Applet Runner is safe to use. It does not request any sensitive permissions.

Risk likelihood

CheerpJ Applet Runner has earned a fairly good reputation and likely can be trusted.

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Screenshots
Promo images
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