WonderFox HD Video Converter Factory Pro is one of the best desktop MTS joiners. It enables you to combine MTS files into one in the easiest and quickest way and keep the original quality. It's also capable of compressing videos in batch mode. Besides, HD Video Converter Factory Pro also has other basic editing features such as cropping & cutting videos, adding subtitles and special effects to videos. It supports 500+ formats conversion and online video download. Let's have a look at how to use this software to join MTS files and also a glimpse of other features.