The AVI format, without doubt, is one of the most popular that exists. It is compatible with the wide majority of players and devices; for this reason it is always a good idea to have the largest possible number of videos in AVI format.
One of the most usual operations to do is convert the content of your DVDs to AVI, and for this you only need a program like Nidesoft DVD to AVI Converter. It is a DVD ripper that lets you extract the content and save it in AVI, DIVX, XVID or MP4 formats.
In the conversion process to AVI no quality is lost from the original DVD. Nidesoft DVD to AVI Converter lets you preselect which track or set part you want to rip and convert to AVI. If, during the conversion process to AVI, you need a special codec, Nidesoft DVD to AVI Converter will automatically add it.