This application decodes the .rpt file that is produced from X-Plane's automatic crash reporter. The .rpt file consist of base64 encoded strings; one for the crash dump .dmp and one for the X-Plane log.txt (and some other information as well). This tool decodes the strings and saves the files in their original format for easy viewing.
RptDecoder.exe "C:\Path\To\Rpt\File"
Alternatively, you can drag and drop the .rpt file onto the RptDecoder.exe.
The decoded files will be saved in the same folder where RptDecoder.exe lives.