clipped from: media-convert.com   
converting music, documents, images
100% free, online file conversion
no installation, no virus and spywares

Media-Convert is 100% free. No software is needed, and you don't have to register. You only need your favorite Internet browser. Your files are ready 7/7 days 24/24 hours.

Movie
  • 3GP (in/out) AMV (out) ASF (in) AVI (in/out) DV (in) FLI (in) FLV (in) GVI (in) MKV (in) MOV (in/out) MP4 (in/out) MP4 (out) MP4 (out) MPG (in/out) OGM (in) SWF (out) VOB (in) WMV (in) 
    • Options : resize, fps, codec, bitrate, fourcc, etc. (depends on the format)