3GP video file format :
3GP is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for use on 3G mobile phones.
3GPP (for GSM-based Phones, may have filename extension .3gp).
Best way to cut/trim/split 3GP file :
GiliSoft Video Editor — Cut/trim/split 3GP file.
1) Launch GiliSoft Video Editor
Once installed GiliSoft Video Editor, Launch GiliSoft Video Editor.
2) Select one way to cut 3GP file
There are 3 ways to cut 3GP file in the easy video editing software:
a) Easy Video/Audio Cutter - Cut one 3GP file to several small 3GP clips.
Video/Audio Cutter - Cut wanted 3GP clips from a lot of 3GP files
c) Advanced Video/Audio Cutter - Cut wanted 3GP clip after video editing(added watermark,subtile...)
3) Load File
Click 'Add File(s)' button, Select "3GPP/3GPP2 - Mobile Phone Video (*.3gp;*.3g2)" in its "Files of type" combo box.
Add your 3GP file, GiliSoft Video Editor will preview your 3GP file directly.
4) Select Start time, and End time.
5) Click 'Start' button to start to cut your 3GP file.
GiliSoft Video Editor is very powerful 3GP Splitter and 3GP Cutter, split 3GP, cut 3GP without re-encode, So It is very fast and without any quality loss.
Buy GiliSoft Video Editor