JDiskReport is a Java-based software that helps users analyze the disk space usage on their Windows, macOS, or Linux operating systems. The software provides graphical representations of the disk usage, making it easy for users to identify large files and folders. JDiskReport also offers a customizable file search feature, allowing users to filter results by size, date, and file type. Additionally, the software supports exporting reports in various formats, including CSV, XML, and HTML.