Video Inspector 126.96.36.199
Another good file inspection tool from Kyle Katarn
Convert Videos to All Popular Video and Audio Formats with OneClick Video Switch
It is a versatile video to audio conversion tool.
Convert between all of popular audio and video formats. Extract the audio.
Convert many popular video formats to audio MP3, WAV, WMA, OGG, AAC
Free Video Converter to AVI, WMV, MP4, MKV, SWF, 3GP, DVD, Blu-ray, MP3