Options
Save mode:
Merge into single PDF: Merge all files in file list into one PDF file
Create individual PDF per image: Convert one image file into one PDF file
Create individual PDF per directory: Merge one directory file into one PDF file

After conversion: There are three items in the option. "Do Nothing", "Open output folder", and "Shutdown computer". If you select "Shutdown computer", then the computer will shut down automatically as soon as all work has been done.

Existing File: There are three items in the option. "Ask always", "Overwrite", "Create new file","Append" . If you select "Overwrite", it will directly overwrite exsited file without any notice. If you select "Create new file", it will then automatically create a new file name once it detects there is a same one in the directory. If you select "Append" it will merge to an existing PDF file.