It will not affect the DVD, the ripper just copies the dvd.
For the Mac try MacTheRipper (See links below). OR You can also try Daniusoft's DVD Ripper which is good for both Windows & MAC.
If you are a Mac user, I recommend Aimersoft DVD Ripper for mac, It can rip and convert DVD for PSP and almost any video format.You can use a DVD to PSP converter software.
Wikihow.com will give you a step by step info file on converting DVD film to the AVI file format. www.youtube.com/watch?v=lSYP1VvYiEc will give you complete instructions along with an app if needed.
A DVD ripper will copy the contents of a DVD to the hardware disk of a computer. The DVD ripper can deactivate the copy protection on the DVD, and then simply copies the contents of the DVD.
No DVD ripper will erase data from a DVD.
Pavtube DVD ripper 2.0.1.29
I am using itoolsoft DVD ripper, you can download it here: itoolsoft.com
I am using iToolSoft DVD ripper, a good chioce for me. You can have a try with it.
A DVD Ripper is used for DVD ripping which is the process of copying the audio and video information off a DVD and onto a hard drive. DVD Ripper usually only can rip DVD and can't rip Blu-ray while a Blu-ray Ripper can rip both DVD and Blu-ray.
Strongly recommend you use Aimersoft DVD library for mac. Aimersoft DVD Library for mac can help you organize, cataloge your DVD collection. it can sort DVD movies by genres, actors, directors and released years,What's more, it can automatically retrieve DVD movies details and cover images from Amazon. With Aimersoft DVD Library for Mac, you can save money by not purchasing duplicate movies and Keep track of movies on loan with the built-in loan manager. What's more, you can make backup of DVDs for playback without inserting DVD disc.
Well it can convert any DVD to any video & audio format in 5 minutes Get seamless playback on any device, media player, or home theatre I recommand DVDFab DVD Ripper dvdfab.fr/dvd-ripper.htm