How to Repair MP4 Header Corruption Like a Pro

Want to know more about MP4 header and ways to fix it? Read this in-depth post to repair MP4 header and learn how to avoid the MP4 header from getting corrupt.

Nov 22,2019 • Filed to: Photo/Video/Audio Solutions • Proven solutions


MP4 (or MPEG-4 Part 14) is one of the most commonly used video formats that is originated from QuickTime format. Apart from videos, we can also use MP4 to store audio and include subtitles in a video as well. Though, it is the header component of the file that can contain crucial information about it. Too many times, a corrupted MP4 header can severely affect the overall playback of the file. In this post, I will make you familiar with the same and also let you know how to repair MP4 header in different ways.


Part 1: An Overview of MP4 Video Files and Video Header

As stated above, MP4 is a common video and audio format that is used to store, transfer, and compress video files. The format is extensively used in streaming services as well since it supports subtitles with video playback. Apart from that, it is also used in broadcasting, data compression, and video storage as well.

The video format was originated from QuickTime and gradually become universal. Since it is an open format, it is supported by almost every major media player. Therefore, you can easily play MP4 files on QuickTime, Windows Media Player, VLC Media Player, and so on.

What is an MP4 video header?

An MP4 file is ideally divided into different chunks (parts), and each chunk has an 8-byte header that provides certain details about it. Now, the header section is further divided into 2 chunks (of 4 bytes each). The first section defines the size of the chunk while the second section provides details about it.

The first level of the MP4 header that would define the “type” of the chunk, can be of the following kind:

That’s a wrap, folks. I’m sure that after reading this post, you would be able to repair MP4 header that has been corrupted or damaged under various scenarios. To further make things easier for you, I have even provided a brief introduction to MP4 header as well. The easiest way to fix MP4 header is by using Recoverit Video Repair. A professional DIY video repair tool, it can resolve all kinds of major or minor MP4 issues without any hassle. Feel free to give it a try and share this guide on how to repair MP4 header with your friends to help them as well.

Eleanor Reed

staff Editor

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