Cellsea is a website that allows you to edit and convert your videos free without any softwares free.

They support multiple website like:

Break.com

youtube.com

ifilm.com

Google videos

metacafe.com

putfile.com

You can upload the video from your computer, or from one of the above websites, after uploading is done, you can convert the video to one of the following supported format FLV, AVI, MOV, MPEG, MPG, MP4, WMA, RM, 3GP, DIVX.

Visit the website