.JASPER File Extension

File created by JasperReports, an open source programming library that allows users to create reports programmatically in Java; contains report content in binary format that has been compiled from a .JRXML file.

JASPER files may be deployed with Java applications to generate reports repeatedly. Reports are "filled" when report data is read from a specified data source. Generated formats include .JRPRINT, .PDF, .RTF, .XLS, .TXT, .CSV, .HTML, and .XML.