Download here http://www.formatoz.com/

...and it's free! This will convert any file into any other file and rip DVDs. Format Factory is a multifunctional media converter. Provides following functions :
All to MP4/3GP/MPG/AVI/WMV/FLV/SWF.All to MP3/WMA/AMR/OGG/AAC/WAV.
All to JPG/BMP/PNG/TIF/ICO/GIF/TGA.Rip DVD to video file , Rip Music CD to audio file.
MP4 files support ONDA format. Supports RMVB,Watermark, AV Mux. Format Factory's Feature list:

1 support converting all popular video,audio,picture formats to others.

2 Repair damaged video and audio file.

3 Reducing Multimedia file size.

4 Support player multimedia file formats.

5 Picture converting supports Zoom,Rotate/Flip,tags.

6 DVD Ripper.