Just to follow this post up, I've found that the Independent JPEG Group have developed a utility called 'jpegtran' which performs lossless transformations on JPEG images. This webpage:
http://sylvana.net/jpegcrop/losslessapps.html contains a very long list of the various apps which support this functionality either directly by calling jpegtran or indirectly by using code based on jpegtran. HTH Mark ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body
