MP4V Video — A .mp4v file is a MP4V Video. It is a video format used to store movies and animation, typically with video and audio tracks.
Quick facts
What is .mp4v
A .mp4v file is a MP4V Video. It is a video format used to store movies and animation, typically with video and audio tracks.
In the mime-db registry it maps to video/mp4, and it is marked as non-compressible. When serving .mp4v over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to video/mp4 — and is delivered over HTTP via the Content-Type header.
How to open .mp4v files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: video/mp4
Common software that reads/writes .mp4v:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .mp4v files
How to create .mp4v files
Frequently asked questions
Common options include VLC, MPV, HandBrake. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .mp4v extension.
video/mp4 is the media type identifier used for .mp4v files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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