To block conversion in subfolders you should do the following:

  • Go to Profile tab;
  • Open settings of “Converted images will be saved …” (click on “+” to the left of the line);
  • Change the value of “Convert with subfolders” box to “No”;

Illustration

If you added image files located in subfolders to Image Converter Plus, setting “Convert with subfolders” to “No” will block conversion of these files.