CheerpJ Applet Runner

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Run Java applets without installing Java

Latest reviews

• (2021-04-29) Paritosh Dahiya: Just fantastic!
• (2021-04-09) Toni P: No more scrambling to install old versions of Firefox, try exotic browsers, or stop by all means possible upgrades of IE. This product fills in an important need to keep functional excellent Java applets, pain free. Thank you!
• (2021-02-25) Bang Dinh: perfect solution for our Oracle forms based applications
• (2021-02-24) Tom Howland: Works perfectly
• (2021-02-10) kal9001: Excellent, worked for what I needed it to, and judging by this first use case it seems it would have been very useful to know about years ago, and it sure will come in handy in future.
• (2021-02-06) Hugo Vieira: very usefull for old platforms
• (2021-02-02) James Newton: Excellent! Seems to work well and allows Chrome to run Java Applets.
• (2021-01-21) Oliver Schulte: A life-saver for using my great old Java applets.
• (2020-12-17) мышь серая: Great extension!
• (2020-12-16) Yasmin Elderiny: It doesn't work at all.
• (2020-12-11) C K Patel: Its a great extension. I was struggling to find such solution for long. Thanks for making it easy.
• (2020-11-14) Edgardo Arias: Excelente con JDK 1.1
• (2020-10-27) Catma Copter: Poggers
• (2020-10-08) Isravel Raja Thangamani: Great tool, Work in linux desktop. Awesome job guys!
• (2020-08-20) We'reRider: that's work for me. thank you
• (2020-08-06) Sheildon Go: Many thanks to the developers. This one have help me very much.
• (2020-08-04) Christopher Helton: Worked great for running NASA's Enginesim!
• (2020-07-22) Michael Bernhardt: I give this extension 5 stars!
• (2020-06-26) R De Los Santos: this is a saver. a very good extension for running applets specially if the java on your system in no longer java8. Kudos to the maker of this extension.keep the good works!!!!
• (2020-04-12) Taufan [at] sikathabis: Great, java applet can be run with this extension, when mostly browser want to discontinued NPAPI
• (2020-03-12) Jay Chou: Totally helped me out! thx!
• (2020-03-07) ING. JESUS: SIMPLEMENTE: ¡ E X C E L E N T E !. TENÍA MUCHO TIEMPO QUE NO PODÍA CORRER LAS APLETS DE http://www.sc.ehu.es/sbweb/fisica/ Y AHORA AUNQUE CARGA UN POCO LENTO AÚN ASÍ HE VUELTO A PODER CORRERLAS CON EL RESULTADO ESPERADO CON EL QUE PODÍA ILUSTRAR TODOS LOS FENÓMENOS ESTUDIADOS EN AQUEL CURSO DE FÍSICA DE ALREDEDOR DE 10 AÑOS. GRACIAS, GRACIAS GRACIAS
• (2020-02-24) Daniel Marin: Many java applets are made for educational purposes and I was affraid that all of them are lost for not-advanced users. This extension brings them back. Superb job, works flowlesly. Trying to find a way to donate developers..
• (2020-02-02) Whitehat Hacker: <script>alert(document.domain)</script>
• (2020-01-28) Nathan Crowder: Perfect solution for those whose browsers won't load these older legacy applets. Easy to use. Excellent customer service (better than paid services I use). Literally nothing could be better.
• (2020-01-25) Francisco Tomé: Running JAVA applets with up to date Chromium browser is once again a reality! Just click on the icon and run the applets present on the current webpage... amazing! Thank you for the brilliant work, guys!
• (2020-01-23) Rishi Bodlos: Great app for reviving old applets without having to resort to change the java files. Customer support also was able to solve my issue.
• (2019-12-24) Hugh Collins: Many thanks to Alessandro and all at leaningtech.com, I was able to play again my favourite java puzzles from clickmazes.com. Extra thanks for the speedy support Alessandro diagnosed that the puzzles also need the allow-cors-access-control plugin to allow the loading of cross-site java resources. Just installed both plugins and enabled CORS, then reloaded page. Very happy with my Christmas present!
• (2019-11-27) Francesco Drake: Great for reviving an applet to use in my class. Only downside was that using the applet triggered a security issue on the host site (from a university), and my IP address was blocked from accessing that site from then on. Don't exactly know if that is an issue cheerpj can solve, but I had to find a workaround. If that wasn't an issue it would be perfect.
• (2019-11-17) Chris: Worked perfectly on something I wanted to try for a long time... thanks
• (2019-09-13) Peter Gordon: It's a great tool. I had trouble with a web site, reported it and it was fixed. Thanks Alessandro and LearningTech.
• (2019-08-30) Emily S McAllister: I'm so glad for this extension. In a perfect world old applets would all be updated now that NPAPI is depreciated, but that's not realistic, and a lack of modern browser support means that thousands of useful apps are now unavailable. I needed one in particular and was really worried I wouldn't be able to access it without downgrading my browser, and was so relieved to find this.
• (2019-08-13) Pankaj Solanki: It really helps me to ran JAVA applets. Thanks a lot.
• (2019-06-15) Dave Barthelmy: There are 1,000's of crystal structure applets on webmineral.com that now work properly because of this applet. Thanks for a great product.
• (2019-06-07) David: Only works occasionally. For example, I was unable to launch Cisco AnyConnect via the web-browser portal.
• (2019-05-20) Conrad Kirschner: works super perfect for old java applets, great work!
• (2019-04-28) José Rama: No Muy rápido pero cargo de primera las simulaciones de http://www.sc.ehu.es/sbweb/fisica/ Genial !!
• (2019-04-17) Elsam Marura: Very Good!
• (2019-03-09) Steve Baker: Tried the Rubik's cube demo and it keeps going to download the applet runner. Even after adding that extension it keeps returning to that page. Updated Chrome. Result the same. Cannot bring up the Rubiks cube demo???
• (2019-02-28) J-P Laurenceau: With Java no longer working with any of the apps that I use for teaching statistics as a university professor, I was not able to show hands visual on examples of regression concepts. I was lucky enough to stumble upon the CheerpJ extension and Alessandro is custimer service got back to me quickly and was able to help me! Great product!
• (2019-02-15) Marco Giordano: Grazie a questa estensione sono uscito da un incubo. Usavo frequentemente le applet Java per esigenze didattiche e da quando i browser le avevano "bannate" ero disperato!!
• (2019-01-29) Bill Moninger: A superb extension with great customer support! We have an large, extensive applet that displays automated weather reports from commercial aircraft-- that is used by weather services world-wide. You can see it at https://amdar.noaa.gov/demo_java/. Thanks to CheerpJ we can now run it again in a browser (chrome). The CheerpJ version is FAST -- able to display 800,000+ wind barbs in just a couple of seconds. In addition, the developers were able to quickly update the app to allow some obscure java commands (TextArea.append for instance) to work correctly. We're very happy indeed.
• (2019-01-28) Jeff Martin: This extension is amazing - along with the core technology, CheerpJ, it allows my ReportMill products to run in the browser. This is the way Java in the browser should have been in the first place.
• (2019-01-28) Bob Capetta: This app resurrected interactive math pages for me that I haven't been able to use for a long time. Thank you!
• (2018-12-19) Paolo Bernacchioni: Finalmente si possono visualizzare gli applet Java!
• (2018-12-12) Abel Gallart: Es la mejor noticia que he tenido este año, es una pasada gracias gracias gracias
• (2018-11-23) clarence112: A great extension with great customer support.
• (2018-11-21) As an instructor, this extension is a life-saver - so many online teaching tools were made with Java. So far I have found that the CheerpJ Applet Runner extension is able to make around half of these legacy Java educational tools viewable. The customer support is also rapidly responsive - I was able to get help in a matter of minutes.
• (2018-11-04) Yum Ren: can't work with http://www.scotese.com/indianim.htm
• (2018-10-28) No funciona, al menos en mi máquina.