MP4 Merger is the best software for merge MP4 video file with exactly the same codec and codec parameters. 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 merge; It can detect your hardware configuration and decide an optimized merge scheme automatically; Merge your MP4 video files and preserve video quality after adding more MP4 files by click mouse button; Provide >300% merging speed by multithreading, so fast beyond your imagination.