In article , Scott Lurndal
wrote:
If you want to remove the EXIF data (which also contains the thumbnail),
you can use Exifer:
http://www.friedemann-schmidt.com/software/exifer/
Exifer comes up with a 404 not found in the tucows link at bottom.
your original question was to save a valid thumbnail, not remove it.
that happens automatically when saving the photo.
if you want to remove it, then use exiftool.