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支持格式 / MP4

转换 MP4 文件

将 MP4（MP4 Video）文件转换为 60 种格式。无需安装，浏览器中即可完成。 .mp4 · video/mp4

立即转换

关于这种格式

The MPEG standard container from 2001. Usually H.264 or H.265 video with AAC audio inside, and virtually every device, browser and platform opens it. When in doubt, mp4.

能承载的内容

  • Video (H.264, H.265, AV1 and others)
  • Audio (AAC and others)
  • Subtitle tracks
  • Chapters and metadata

无法承载的内容

  • Old codecs — an unusual codec inside means it will not open even though it is mp4

转换为其他格式时

MP4 → GIFSound goes, colour drops to 256, and the file grows. Only for a few seconds' worth.
MP4 → MP3Video goes; only sound remains. A common request for meeting and lecture recordings.
MP4 → WEBMFor the web. Slightly smaller; older devices cannot open it.
MP4 → MKVNothing lost; only the container changes. Good for carrying several subtitles.

打不开的时候

  • H.265 inside, on an old device — the mp4 is fine, the codec is missing
  • Truncated download — without the index (moov) at the end it cannot open
  • Variable frame rate confuses some editors

一句话 An mp4 that will not open is usually a codec problem. Convert it to mp4 again (H.264) and it opens.

可从该格式转换为 · 60

MP4→3G2MP4→3GPMP4→AACMP4→AC3MP4→ADXMP4→AIFFMP4→ALACMP4→APTXMP4→ASFMP4→AUMP4→AVIMP4→CAFMP4→DTSMP4→DVMP4→EAC3MP4→F4VMP4→FLACMP4→FLVMP4→G722MP4→GIFMP4→GSMMP4→GXFMP4→H261MP4→H263MP4→IVFMP4→JPGMP4→M2VMP4→M4AMP4→M4BMP4→M4VMP4→MKAMP4→MKVMP4→MMFMP4→MOVMP4→MP2MP4→MP3MP4→MPGMP4→MTSMP4→MXFMP4→NUTMP4→OGAMP4→OGGMP4→OGVMP4→OPUSMP4→PNGMP4→SBCMP4→SPXMP4→SWFMP4→TSMP4→TTAMP4→VOBMP4→VOCMP4→W64MP4→WAVMP4→WEBMMP4→WEBPMP4→WMAMP4→WMVMP4→WVMP4→Y4M

可转换为该格式的格式 · 60

3G2→MP43GP→MP4AAC→MP4AC3→MP4ADX→MP4AIFF→MP4ALAC→MP4APTX→MP4ASF→MP4AU→MP4AVI→MP4BINK→MP4CAF→MP4DTS→MP4DV→MP4EAC3→MP4F4V→MP4FLAC→MP4FLV→MP4G722→MP4GIF→MP4GSM→MP4GXF→MP4H261→MP4H263→MP4IVF→MP4M2V→MP4M4A→MP4M4B→MP4M4V→MP4MKA→MP4MKV→MP4MMF→MP4MOV→MP4MP2→MP4MP3→MP4MPG→MP4MTS→MP4MXF→MP4NSV→MP4NUT→MP4OGA→MP4OGG→MP4OGV→MP4OPUS→MP4RM→MP4SBC→MP4SMK→MP4SPX→MP4SWF→MP4TS→MP4TTA→MP4VOB→MP4VOC→MP4W64→MP4WAV→MP4WEBM→MP4WMA→MP4WMV→MP4WTV→MP4

常见问题

如何转换 MP4 文件？

把文件拖到窗口里，选择目标格式，然后下载结果即可。无需注册。

需要安装软件吗？

不需要。在浏览器中直接使用。如果需要，也提供 Windows 安装版。

列表里没有的格式也能转换吗？

可以。我们把各引擎能处理的组合合并成一张图，未直接支持的组合会经由中间格式自动衔接，并选择损失最小的路径。