On the other side of the spectrum you have Calibre, a program that uses a multiplatform abstraction, with a myriad of options, a myriad of icons, plenty of feat

On the other side of the spectrum you have Calibre, a program that uses a multiplatform abstraction, with a myriad of options, a myriad of icons, plenty of features... In my opinion, I prefer the Sumatra way of doing things. But if you need to transform data... there is no other option that fighting against the multiple features of Calibre.