How can I be able to split 3d movies?

Hello experts,
How can I be able to split 3d movies? Give me an idea on the best software that will allow the user to split 3d movies in to pieces. I need your suggestions and opinion first before making a move, I want to be knowledgeable enough on picking the right one. Also includes the features and I hope you will recommend software which is user friendly.
Thank you.
