Best waf converter

Beside above-mentioned functions, it so easy to download YouTube videos from YouTube website, just specify the URL for the video you want to download.
I recommend you a useful and free tool that can convert video, rip dvd, Backup DVD and download YouTube video.
you can download this tool at here:
it called “Next Video Converter”. It is easy to use, you only need click few button.
Next Video Converter is a free video converter and DVD ripper with easy-to-use graphical interface, fast converting speed, and excellent video quality. It can convert almost all video formats including DivX, XviD, MOV, RM, RMVB, MPEG, VOB, DVD, WMV, and AVI to MPEG-4 movie format for iPod, iPhone, PSP or other portable video device, MP4 player, or Smartphones. It can also rip DVD to any video format.
Pavtube Video DVD Converter Suite is a good choice.
It is the perfect combination of Pavtube DVD Ripper, Pavtube Video Converter.
Pavtube DVD Converter Suite supports almost all the portable devices, such as: PSP, iPod Classic, iPod Touch, iPod Nano, iPhone (3G), iPhone, Zune, Zune 2, Blackberry, Nokia, Creative Zen, Sony Walkman, iRiver PMP, Archos, PS3, Apple TV, Xbox, iPAQ, Pocket PC, Mobile Phone, etc. You can enjoy your favorite DVD and video files on them.
If you cannot find a useful converter, I recommend you Altysoft Video converter
It supports so many devices and video formats, such as: iPod, iPhone, PSP, Zune, Xbox, Nokia, avi, wmv, 3gp, mov, flv and more into avi, mov, asf, wmv, mp4, 3gp and others.
Altysoft Video Converter is a very easy and powerful DVD ripping software, which can convert DVD to various formats.
Altysoft Video Converter can help copy whole DVD to your hard diver, then you can burn them to blank DVD using burning software.
With these powerful Video DVD Converter Suite, you can easily convert DVD and video to all the popular formats: MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, etc, extract audio from DVD movie or video file and convert them to M4A, MP3, AC3, AAC, WMA, WAV, OGG, transfer songs and video from iPod/iPhone to PC with super fast conversion speed and excellent image and sound quality.