MediaInfo - MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files
GSpot - GSpot is a Windows-based freeware designed to identify codecs used in video files.
VideoSpec - VideoSpec is a free AppleScript studio App (Xcode 3.
MediaInfoXP - GUI for MediaInfo, an open source tool for displaying technical information about media files.
CodecInstaller - Ever had a movie where you could only hear the sound and there were no video?
AVInaptic - AVInaptic is one of the powerful software that allows you to scan & analyze the video files from your computer and extract useful information lie duration, container, AVI index, and resolution without any disturbance.