Convert MP4 to 3GPP Online — Free
Fast, free MP4 to 3GPP converter. No registration required.
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如何转换
Upload your .mp4 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .3gpp file when it's ready.
什么是 MP4？
MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.
格式详情
- 全称
- MPEG-4 Part 14
- 扩展名
- .mp4
主要特点
- Universal compatibility
- Streaming support
- Small file sizes
- Hardware-accelerated playback
什么是 3GPP？
3GPP is the full extension variant of 3GP, a multimedia container defined by the 3rd Generation Partnership Project for mobile devices. Contains H.263 or H.264 video with AMR audio, optimized for cellular network transmission.
格式详情
- 全称
- 3GPP Multimedia File
- 扩展名
- .3gpp
主要特点
- Mobile standard
- 3G/4G optimized
- H.263/H.264
- AMR audio
MP4 与 3GPP 对比
| 特性 | MP4 | 3GPP |
|---|---|---|
| 全称 | MPEG-4 Part 14 | 3GPP Multimedia File |
| 扩展名 | .mp4 | .3gpp |
| 最适合 | Universal compatibility | Mobile standard |