HandBrake is a useful tool for Windows users to convert their DVD and Blu-Ray.
HandBrake is an indispensable program for Windows users. It performs DVD and Blu-Ray conversion and recording processes in the most effective way. With the program, you can convert your DVD movies to MPEG-4 format. All DVD, Blu-ray discs that do not have copy protection with the program are supported by the program.
Supported Output Formats: MP4(M4V), MKV, MPEG-4(ffmpeg), H.264(x264), Theora(libtheora), AAC, CoreAudio AAC, MP3, Vorbis. AC-3, DTS
You can also use the program to translate not the whole disc, but parts with subtitles, piece by piece. I should also mention that the discs you use should not be copy-protected.
This program is among the best free video converters list.