--- title: CheerpJ Reviews meta_title: 'CheerpJ Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how CheerpJ works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 2 scale: '5' date_modified: '2026-05-20' parent_category: name: Web Frameworks url: https://www.g2.com/categories/web-frameworks --- # CheerpJ Reviews **Vendor:** Leaning Technologies **Category:** [Java Web Frameworks](https://www.g2.com/categories/java-web-frameworks) **Average Rating:** 4.5/5.0 **Total Reviews:** 2 ## About CheerpJ Run Java Applications on Modern Browsers CheerpJ allows organizations to modernize their Java applications by making them usable from modern browsers, without needing a local JVM installation. It has extensive compatibility with Java 8\*, including file access, networking, clipboard, and many other system features. It is compatible with Java Swing, Oracle Forms, Oracle EBS, and any other framework or library. Other Java versions can be supported according to your needs. \*Tested on Oracle Forms, EBS, Swing, AWT and numerous frameworks and libraries. Legacy Applications CheerpJ allows organizations to preserve access to legacy Java applications (Applets, JNLPs, and stand-alone applications) by running them on the browser, without requiring a local JVM installation. It is compatible with Java Swing, Oracle Forms, EBS, and other third-party frameworks. With CheerpJ, you can remove the requirement for IE and Java on the client, and upgrade the accessibility and security of your application. Modernise your Java Application to HTML5 With CheerpJ Organisations with products based on Java can migrate applications to HTML5 or the cloud with minimal or no effort, making them accessible from modern browsers, without a local Java installation. CheerpJ allows a fully automated, full or partial migration of an existing Java client to a browser-based web application. Integrate Java libraries into your web application CheerpJ allows web developers to integrate Java libraries and components in native web applications. CheerpJ is a browser-side JVM replacement in WebAssembly and supports seamless interoperability with HTML5/JavaScript. ## CheerpJ Reviews ### 1. Great Solution to access debricated Javabased Webapplications **Rating:** 5.0/5.0 stars **Reviewed by:** Maikel B. | Junior System Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** June 18, 2024 **What do you like best about CheerpJ?** Using this addon is very easy, as it is just installing into your browser and you are good to go. **What do you dislike about CheerpJ?** In the current stats of this review, there are no downsides, beside not knowing this App existing earlier. **What problems is CheerpJ solving and how is that benefiting you?** It solves using an very old Java Version to access debricated websites. It makes it also unnacessary to using things like the Internetexplorermodes on MS edge. Even the user experience is way better due to the fact that they don't have to accept a ton of warning messages everytime they visit this Website. ### 2. Best way to execute java code on browser **Rating:** 4.0/5.0 stars **Reviewed by:** james S. | Senior Software Development Engineer Test, Enterprise (> 1000 emp.) **Reviewed Date:** June 22, 2023 **What do you like best about CheerpJ?** easily it converts java code to html or javascript. no need to have an expert in javascript, even a beginner can use this language **What do you dislike about CheerpJ?** it is evolving over time, need more features. it increases the application loading time because of loading multiple jar files **What problems is CheerpJ solving and how is that benefiting you?** extended our existing java project and saved it from dying - [View CheerpJ pricing details and edition comparison](https://www.g2.com/products/cheerpj/reviews?section=pricing&secure%5Bexpires_at%5D=2026-07-02+23%3A34%3A47+-0500&secure%5Bsession_id%5D=80c441fe-0107-4eec-ac40-6d89337856c9&secure%5Btoken%5D=ac1d58e473dc4cc702bb0af26a12a3660cd05aab3cf58d5587b5177fc232fcbb&format=llm_user) ## Top CheerpJ Alternatives - [spring.io](https://www.g2.com/products/spring-io/reviews) - 4.5/5.0 (290 reviews) - [JHipster](https://www.g2.com/products/jhipster/reviews) - 4.4/5.0 (83 reviews) - [Spark](https://www.g2.com/products/apache-spark/reviews) - 4.3/5.0 (54 reviews)