The complete Java runtime for modern browsers
CheerpJ is the only solution which can run any large-scale, unmodified Java applications, applets, or libraries in the browser. No downloads or plugins required.
February 1st 2024: CheerpJ 3.0 now available
What is CheerpJ?
An Enterprise-grade solution to modernise and preserve access to mission-critical Java Applications and Applets by removing the requirement for Java on the client.
CheerpJ is a drop-in replacement for the JVM in HTML5, capable of running any Java Application, Applet and Library on modern browsers.
Customer Stories
Programming learning platform Hebbian leverages CheerpJ for Java courses
Hebbian is a platform that modernises how Computer Science is taught by allowing students to learn and practice programming directly in the browser. Co-founders Cameron Weibel and Herman Galioulline created the platform while studying at the International School in Zurich,…
CheerpJ Enables Cloud Video Platform To Run As A Browser-based HTML5 Application
Blackbird is the world’s fastest, most powerful professional cloud video editing and publishing platform. Their fully-featured, high-performance editor is accessed through any browser as an HTML5 web application, is easy to learn and needs only 2 Mb/s of bandwidth to use.…
CheerpJ brings PhET’s free education Java simulations to the web
PhET Interactive Simulations at the University of Colorado Boulder (https://phet.colorado.edu) provides over 150 interactive, research-based simulations for teaching science and mathematics. The simulations are used in primary, secondary, and university education, translated into over 80 languages and provided as open…
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