How to edit/convert/crop/cut/trim/split/join MTS files on Mac OS?
MTS file format is a high-definition steam video file format which commonly used by HD camcorders such as Sony /Canon /Panasonic/JVC camcorder, therefore, as a Mac user, if you want to edit your MTS files shot by your HD camcorders, you need a professional MTS Video Editor for Mac.
iOrgSoft MTS editor for mac is a professional but easy-to- use MTS editor tool to edit MTS on mac, which could help users split/cut video clips, crop MTS video, trim MTS file, customize MTS file effect, alter MTS video dimension, adjust video brightness, contrast and saturation, join/merge several files into one, take snapshot and create new output format.
Mac MTS editor can not only edit MTS file, but also has the ability to support a range of video formats, from common video like WMV, MOV, AVI, Divx, Avix, MPG, MKV, MPEG,MP4, 3GP, RMVB, RM, AVCHD, M2TS, TOD, MOD, Flip Video, Kodak video and so on.
Besides, It can be severed as Mac MTS converter, as we known, MTS file can not be natively accepted Apple application, so we need to convert MTS files to MOV, DV, MP4 etc, then imported converted MTS movie to iMovie, FCE, FCP, Premiere Pro for editing on Mac.

Guidance: How to edit/convert/crop/cut/trim/split/join MTS files on Mac OS?
Step1: Download and install MTS editor for mac
Download the software, install and run a test, the main interface is as follows:

Step2: Load MTS files into Mac MTS Editor
Just click the "Add File" button to import videos you want to edit. At the right side, it will pop up a window to show you the added videos.

Step3: MTS video editing
Click on the “Trim” button to open the Trim window then set the 'start time' and 'end time' by dragging the sliders.

Crop MTS file: Below the right preview window, there is "Cropping" area, where you can set the cropping parameters to define the cropping area for getting rid of unwanted parts, like black sides.
MTS file effects: To adjust MTS video contrast, brightness and saturation, drag the sliders to set separately in the "Effect" area.
Merge/join MTS Video: If you want to merge all MTS videos into one, just check the "Merge into one file" option.
Step4: Save MTS video
Start to save the MTS video editing parameters you have customized. Wait a moment, the process will be ok.

