MacXDVD is hosting spring giveaway right now. Before April 10, 2014, anyone can get a licensed copy of MacX Mobile Video Converter for free, which can convert any video to iPhone iPad Galaxy S4/Note 3, HTC One, Nokia Lumia, Blackberry, etc.
Just click "Get it Free" on the giveaway page, download the software and input the licensed key included in the zip file to activate the app.