M4V to MP4 Converter

Convert M4V to MP4 online. M4V and MP4 are containers, while the video and audio codecs live inside them. Free batch processing with no signup or watermark.

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What changes when you convert M4V to MP4?

M4V and MP4 are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected MP4 settings.

For the widest playback support, check that the selected video and audio codecs are accepted by the device or service that will receive the MP4 file.

Add multiple videos and adjust the available video and audio codec settings before processing.

Open the finished MP4 file and check fine details, layout and compatibility in the app where you plan to use it.

What is a M4V file?

M4V is Apple’s take on the MP4 video container, used by iTunes for films and TV shows. It is almost identical to MP4, but store-bought M4V files can carry DRM copy protection; renaming to .mp4 often works, otherwise a real conversion is needed.

How to open a M4V file

M4V plays in QuickTime, iTunes/Apple TV and VLC; for wider support convert it to MP4.

What is a MP4 file?

MP4 is a widely supported container for video and audio. Compatibility and file size depend on the codecs and settings used inside it, which is why MP4 with H.264 video and AAC audio is a common choice for sharing and uploading.

How to open a MP4 file

MP4 is widely supported by browsers, phones, smart TVs and desktop players. Playback still depends on the video and audio codecs stored inside the file.

Frequently asked questions

Is it free to convert M4V to MP4?

Yes. There is no sign-up, subscription or watermark on the converted file.

What happens to quality when M4V becomes MP4?

M4V and MP4 are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected MP4 settings.

Which conversion options are available on this page?