i recommend any video converter
Here is the list of some popular video file converters, totally free: Free HD Video Converter Factory Any Video Converter Free Prism Video Converter Freemake Video Converter HandBrake Format Factory Free Video Converter by DVDVideoDoft VSDC Free Video Converter FFmpeg
I think Freesmith video converter is the best free video converter.
There are many different free video converters that can be found online. Some examples of these free video converters include "Free Make" and "Any Video Converter".
Video Download Studio is an easy and very useful Zune video converter software. You can use it for free with the trial.
MacX Free MKV Video Converter work for .mkvs. It is a 100% free MKV video converter for Mac to convert MKV for free on Mac OS. It supports converting MKV to any video formats.
I think you may need the registration codes to active the converter. However, in my opinion, I think it is suitable for us to use the free version video converter. I think free hd video converter is one of the best that I have used. For more, you can see here: http://www.videoconverterfactory.com/free-hd-video-converter/
First there are free video converter and paid video converter, second there are video converter for windows OS and video converter for Mac OS. For free video converter, I think Handbrake is the best and paid video converter, you can find many on the internet, such as Aiseesoft Total Video Converter, Aiseesoft Video Converter for Mac, Anymp4 Video Converter, Any mp4 Video Converter for Mac. You can find some video converters has the 3D function, which will help you to convert 2D video to 3D, like Aiseesoft Total Video Converter Plaitnum and Aiseeosft Mac Video Converter Platinum. Just a little about the video converter, hope it will help you guys.
Try an online converter such as Convertio. If the original video is large (over 100MB), use a desktop converter like the free hd video converter factory instead.
No matter what kind of video converter you are looking for, you can find them online. Many of the are free. Be sure that the program that you choose includes a free trial period. Total Video Converter is very professional tool.
You can find a free video converter here http://wondershare.net/ad/video-converter-ultimate/index_both.html?gclid=CIKg0Oq30bACFYwQfAodFnAzpQ which allows you to download it on windows computers and mac computers .
You can use any video converter, it is free.
You can try Tucows - Free Ipod Video Converter