If you have a lot of images a mac program like graphic convertor will batch convert an entire folder - if setup correctly.
( there may be other programs that do this... )
http://versiontracker.com/dyn/moreinfo/macosx/11559
If you have a lot of images a mac program like graphic convertor will batch convert an entire folder - if setup correctly.
( there may be other programs that do this... )
http://versiontracker.com/dyn/moreinfo/macosx/11559