Download Free Video Joiner, to merge your videos
Free Video Joiner is a free program that will let you join several videos.
Features: It opens AVI, WMV, MOV, MPEG, MPG formats, and saves as AVI, WMV, MOV, MP4 (MPEG4). It supports saving as DVD, VCD compatible mpeg. It supports saving as iPod, iPhone, Zune, PSP video.
You can use Free Video Joiner to join an unlimited number of video files in different formats. It includes all the necessary video encoders and decoders, you won’t need to download anything else.
Note that the default width and height of your large video will be the same with the first video file you select.