If you work with ISO format files often, then this lightweight application can make your life easy. UMDGen works with ISO files and can be used for editing or creation of these files, which are compliant with UMD.
After the conversion of ISO file to the compliant version, these files can be run on the PSP system too. Mainly, UMDGen is a tool for backing up your Sony games, which you own legally.
Some of the features of UMDGen include resizing of the dummy data, removal of unnecessary padding for the efficient data storage. So, overall you can expect highly efficient operations from this application without requiring much of your resource. Also, this application is free to use. Therefore, you can enjoy backing up your games very quickly.
UMDGen allows you to back-up your PlayStation games and convert the ISO files to UMD compliant files.