Duplicate MP4 Video & Audio Finder is a powerful, handy utility for scanning your computer and finding duplicate copies of your MP4, MKV and some common format video and MP4 audio files. Duplicate MP4 Video & Audio Finder will find video and audio files that are an exact copy of each other but also can compare files by content and give a match for video and audio files that have different tags or the MP4 atom structure is different, eg. moov atom is at the beginning or end of the file, but contain the same video or audio.

Features
Find duplicate MP4, MKV and some common format video and MP4 audio files that
are exact copy of each other
have the same artist/show and title tag
have the same media content
Compare two video or audio lists to find duplicates
Matching video and audio files are displayed in groups
Preview matching audio files and their tag information, detailed media attributes and album cover pictures (JPEG, PNG, GIF, BMP)
Copy/paste, edit and remove MP4 tags
Delete video and audio files that are not needed
Multi-threaded loading and processing of the files