How to convert PDF from CMYK to RGB, for displaying on iPad?

Question

According to this question:

Displaying PDF documents on iPad - Color Problems

some PDFs don\'t display right on iOS devices due to colors not being in RGB. It\'s

Answer 1

On mac, you could use sips command. For example,

sips --matchTo '/System/Library/ColorSync/Profiles/Generic RGB Profile.icc' CMYKinput.pdf --out RGBoutput.pdf

And RGB pdf can be converted into CMYK in the same way (change 'Generic RGB Profile.icc' to 'Generic CMYK Profile.icc').

Tested on OSX 10.12.