a-one video joiner is a professional video tool to join multiple video files into one large file, you can combine multiple avi, mpeg, wmv or asf files into one large video file, and save as avi, mpeg, wmv, rm format. you can add an unlimited number of video files to the list and easily rearrange their queue if needed. in addition, the intuitive interface makes a-one video joiner the perfect tool for both new and experienced users. it supports drag-drop to load or add video files, conversion with volume adjusting and full conversion options and more! for service to our customers,we are providing free technical support,30-day refund guarantee and free update if you don't satisfy our ptoducts. key features: 1)support wmv, mov, rm, asf to ipod, qt to ipod, iphone, apple tv mp4. 2)support mpg, mpeg, vob, vcd, iphone, svcd to ipod. 3)support avi, divx, swf, nsv to ipod, xvid to ipod, rmvb to ipod. 4)join avi, divx, asf, wmv, wma, mpeg, mov, qt, rm, rmvb, file without losing quality. 5)support join / convert avi, divx, asf, wmv, wma, mpeg, mov, qt, rm, rmvb, file to avi with all encode format such as divx, xvid, mircosoft mpeg-4, vcd pal/ntsc, svcd pal/ntsc, dvd pal/ntsc, mpeg-1 standard, mpeg-2 standard etc. 6)support join / convert avi, divx, asf, wmv, wma, mpeg, mov, qt, rm, rmvb, file to wmv with all encode format such as windows media video for dial-up modems / lan / cable modems / broaband etc. 7)support join / convert avi, divx, asf, wmv, wma, mpeg, mov, qt, rm, rmvb, file to mov with all encode format such as h261 / h262 / h263 / mpeg-4 etc. 8)support join / convert avi, divx, asf, wmv, wma, mpeg, mov, qt, file to rm file with all encode format such as 150k lan / 256k dsl or cable / 16k substream for 28k dial-up . 9)normally, the conversion speed is 5 times of the playback speed. 10)set the start position and end position of source file to convert.