If you are working on a Java project, it is highly recommended to let a build tool handle this for you. This ensures you also get the necessary (other jars) that the extensions file needs to run. For Maven ( pom.xml ):
Downloading jasperreports-extensions-3.5.3.jar is a straightforward process when you know the correct sources. The safest approach remains using —either via a build tool or direct browser download. While this version is over a decade old, it continues to power countless stable Java reporting applications worldwide. jasperreports-extensions-3.5.3.jar download