3GP Editor
3GP Editor is one of the best 3GP editing software which enables you to edit 3GP video files. In this way all the videos recorded with Mobile Phones can easily be edited and converted with 3GP Editor.
3GP Editor provides powerful video editing functions like video trimming, clips joining, adding audio, overlaying multiple video tracks, video effects and transitions appending, creating slide shows from still pictures etc.
With 3GP Editor, you can edit all kinds of videos like WMV, MOV, FLV , MPEG, MP4, AVI etc. All key HD video formats are supported as well including MOD, TOD, AVCHD, TS, M2TS, HD WMV etc.
3GP Editor can output videos to fit YouTube, DVD disc, iPod, PSP, Smart Phone, Pocket PC, PDA etc.
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How to edit 3GP videos with 3GP Editor
Download and install 3GP Editor. Launch it and follow the steps below.
1. Import 3GP videos
Click Import and select 3GP videos you want to edit. When it appears in the main window, drag it to the timeline.

2. Trim or Multi-Trim 3GP videos
Click Trim button to clip a video segment from the source file. Click Multi-Trim to get several clips at a time.
3. Add Transitions between video clips
Click Transitions button and you will seen all transition effects in the main window. Select one and preview the effect. Drag and drop the one you want to the video.

4. Add effects
Click Video Effects button and drag and drop one video effect or several effects to the video in timeline. Click Video Effects on the middle of the main interface to adjust the detailed parameters.

5. Save Project
If you want to save all the adjustment you have done to the video, click Save Project on the tool bar. You can open the project and continue to edit in the future.
6. Save Movies
If you finish the editing and want to get final movies to play on iPod, PSP, PDA, Smart Phones etc. Click Save Movies button on the tool bar and select the format or device as you want.