It h
as been said that standards are great...there are so many of them. If you deal with graphic files at all, you've no doubt run into a strange format that your usual graphic program doesn't know how to deal with. Or, you may have to deal with different platforms, and need to convert files from one format to another. Although there are heavyweight programs like Photoshop that can perform conversions, it may be a bit pricey if all you want to do is open and convert files. Then there's GraphicConverter
Check It Out: Drowning In A Sea Of Graphic Standards? You Need GraphicConverter!