What is 3GP?

3GP is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for use on 3G mobile phones but can also be played on some 2G and 4G phones. 3GP is defined in ETSI 3GPP technical specification. 3GP is required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS) and Transparent end-to-end Packet-switched Streaming Service (PSS).

How to convert 3GP to MP4 using Video Converter

Encode HD Video (inc. AVCHD, TS, TOD, AVI HD, M2TS, etc.), AVI, MP4, WMV, Blu-ray, 3GP, DVD, VOB, MPEG, H.263/H.264 codecs, DVR-MS, MKV, FLV, etc. with AVS Video Converter or Mac Video Converter.

Free download Video Converter (Windows User | Mac User).

Step 1: Load or drag 3GP videos to Video Converter.

Step 2: Click image button at right of each video item, and choose MP4 as output format from Format list. You are also allowed to trim, crop, and add effect to 3GP videos before converting.

Step 3: Click "Convert Now!" to start to convert 3GP to MP4.

When the process is over the following window will be opened.