We recommend! Movavi Online Video Converter is a powerful, yet easy to use, video converter. You can easily convert from one popular video format to another, save videos and DVDs to your iPod, Zune, PSP, PDA, cellphones. Users can upload up to five different video files, up to 100MB in total space, and choose from 11 popular formats for output.
Movavi also offers widgets which function across most popular social networks, which you can embed in your page to have access to one-click video conversion. All of Movavi’s features and tools are free or charge and no downloads are necessary for the basic conversion service.
In their own words:
“Movavi Online is a free online web service that lets you download videos from YouTube, Google and other video-sharing sites and save them to your iPhone, iPod, cellphone, and popular video formats: AVI, MPEG, MOV, FLV, MP4, 3GP. With Movavi Online, you can also convert videos already on your computer. There’s no charge for the service, and you don’t need to download any software. Best of all – we don’t cover your screen with annoying ads!”
I recommend and use http://vids.eu.com Online Video Converter, it supports over 80 video sharing sites and is really easy to use! Guests can download and convert 50MB video files, members (FREE) can convert 100MB video files. You can download directly (FLV) or convert into avi, mp4, mp3, mov, 3gp or wmv.