MP4 Joiner is the best software for join MP4 video file. It support MPEG-4 Part 10 (H.264/MPEG-4 AVC), MPEG-4 Part 2 video; Add unlimited MP4 video files in the fast and easy setup interface; It is very easy to use without any special setting, only a few clicks complete the task of video file join; It can detect your hardware configuration and decide an optimized join scheme automatically; Join your MP4 video files and preserve video quality after adding more MP4 files by click mouse button; Provide >300% joining speed by multithreading, so fast beyond your imagination; Automatically shutdown the computer after join task.