You can use libdvdcss as an aid to rip CSS copy protection, yet this method will not always work. Kinds of related error feedbacks can be found on the forums. Therefore, to easily play or rip DVDs, we highly recommended that you use WonderFox DVD Ripper Pro. This software offers the most direct method to remove kinds of DVD copy protections more than CSS, supports converting DVD to over 500 digital formats, enables to change output video parameter settings, and edits DVD videos, It’s clean, concise and will not ask you to install any assistant tools. Free download the software and follow the tutorial below so that you can digitize your DVD movies with ease.