Video Studio Express 
Split, merge and crop videos regardless the video size and format.
Free TrialBuy Now3GP (3GPP file format) is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for 3G UMTS multimedia services. It is used on 3G mobile phones but can also be played on some 2G and 4G phones.
If you wanna edit your mobile phone 3GP videos, you need a 3GP program which can edit, trim, split, merge, and add background music to 3GP video. Aimersoft Video Editor, including both Windows and Mac version, is an excellent video editing tool which provides powerful and professional edit functions to 3GP, MP4, MOV, WMV, FLV, MPEG, AVI etc. with the following simple steps.
Please download the right version according to your computer system.
Take the Mac version as the sample to instruction. Click "Import" or "Media" tab to locate your target 3GP videos into Video Studio Express for Mac after you have install and launch successfully.

With this 3GP Editor, you can freely split large 3GP file into smaller ones, trim down the unwanted portions, join some other video clips into the original one, remove the original sound track and add some new sound to your 3GP video, or even to adjust stylish movie effects to your 3GP file. In a word, with the professional Timeline and Editing Box of Video Studio Express for Mac, you can edit 3GP video as freely as you want.

Video Studio Express for Mac cannot only allow you to edit 3GP video freely, but also allows you to save and enjoy your edited 3GP video on Mac, portable devices, or to upload to YouTube.
Facts speak louder than words. Just download and have a free trial.
Note: To burn the edited 3GP video into DVD with Aimersoft DVD Creator for Mac is also a great choice for saving. Of course, if you are 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