PIE from http://www.picmeta.com/ has a great lossless JPG rotator but you need to pick which to rotate, and it does them as a batch -- and also is very useful for digital cameras, which is why I use it. ThumbsPlus will have a lossless rotator in the next version. There may be others.
-- Clive http://clive.moss.net > Is there a piece of software which will analyze images and > make a good > guess as to which need rotating
