I had to recover a trashed drive with hundreds of thousands of images. An unfortunately large number of the recovered images are unusable: when trying to open them Preview reports "The file 'xxxxx.JPEG' could not be opened. It may be damaged or use a file format that Preview doesn’t recognize." GraphicConverter gives a similar error.
Is there any utility that'll scan through all those images and help isolate those that are unusable?
Is there any utility that'll scan through all those images and help isolate those that are unusable?