Video Studio Express 
Split, merge and crop videos regardless the video size and format.
Free TrialBuy NowM4V is a file container format used by Apple's iTunes application. The M4V file format is a video file format developed by Apple and is very close to MP4 format. The differences are optional Apple's DRM copyright protection and the treatment of AC3 (Dolby Digital) audio which is not standardized for MP4 container.
If you have purchased videos with .m4v extension from iTunes and would like to chop them up into separate files, split out certain length (e.g. commercials) of the video or trim it down to exclude some clips on Mac OS or Window, you can use M4V Editor.
Aimersoft Video Editor (Video Studio Express) is a reliable and perfect M4V video editor tool to split, cut, trim, join, adjust, crop and convert M4V video files. It can also convert the edited M4V videos into any format or to transfer into various multimedia devices like iPhone, iPod, PSP, etc.
Aimersoft Video Studio Express has both Windows and Mac version. Please download the right version based on your computer system.
Suppose you just download the Mac version. Click "Import" or "Media" tab to locate your target M4V videos (be sure all are non-protected) into Video Studio Express for Mac after you have install and launch successfully.

Aimersoft Video Studio Express for Mac provides two professional editing panels to fully meet your different editing requirement. You can split large M4V file into smaller clips, trim down the unwanted portions, join some other clips into the original one, remove the original sound track and add some new sound instead in the Timeline; or to crop, rotate and adjust special movie effects via the Editing Box.

As what the above mentioned, with this M4V Editor, you can convert the edited M4V movie into any format as you like to save it in your computer. Or to export it to your multimedia devices by choosing the corresponding devices name from the export devices list. Besides, if you are a DVD lover and fond of collecting DVDs, you can also burn the edited M4V video to DVD with Aimersoft DVD Creator for Mac. Of course, if you are a windows user, please download Aimersoft DVD Creator for Windows.
Split, merge and crop videos regardless the video size and format.
Free TrialBuy NowA powerful video editor and converter owns both brilliant video editing
Free TrialBuy Now