Output pictures
Select "Output" item in the toolbar.
Then set save format and optimize value, and save folder etc.
To specify an output file type - select an appropriate extension in the "Output format" list
To set destination folder - et an exact path. In the last case, type the path in the corresponding field or click the "Browse..." button
You also may add and adjust picture editing actions. If you do not need to modify processing pictures then skip these steps.
You also can set "Donot update file datetime" and "Remove Exif infomations from pictures".
Press "Star Process" button to resize pictures