apecsoft avi 3gp joiner is a powerful tool to join or merge multiple avi, divx, xvid, mpg, mpeg, wmv, flv, asf, rm, mov, vob (dvd), 3gp, mp4 files into one large file in various format. it is a fast and high quality video joiner. you can add an unlimited number of video files to the list , then merge the video clips to one 3gp, avi, flv, mp4 format file. also it is an avi/3gp/flv/mp4 video converter for you when there is only one video selected. [main features]: 1. merge or join various format video files to one movie file. 2. all encoders/codec are built-in for you to finish the join-mission directly. 3. almost any clip or segment can be joined by apecsoft avi 3gp joiner. 4. joined file name can be assigned automatically and the output path can be easily modified. 5. selected video size, frame rate, sample rate etc. 6. support almost all digital video files (avi, mpg, mpeg, asf, wmv, mov, dvd (vob), 3gp, mp4, flv, etc.) into one large movie. 7. hardware auto-detect: automatically detect your hardware and decide the best converting speed. 8. excellent output quality is offered. 9. runs under windows 98/me/nt/2000/xp. 10. lifetime free technical support and free upgrade . free trial download.30 day money back guarantee.