How to Repair Corrupt MP4 Video Files?

Updated December 30, 2022

Are you having problems with your MP4 videos? Have you tried free MP4 video repair tools but had no luck? Find two super simple methods to fix MP4 files in this article: the VLC media player approach and the Remo Video Repair solution. If you've already tried VLC, the Remo Video Repair tool is the way to go. Remo can easily repair significant file corruptions and repair MP4 files with just three clicks.

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Being compatible with almost all media players and streaming platforms MP4 became a standard video format among content creators, filmmakers, etc. However, due to some uncertain situations, even MP4 video might get damaged.

Fortunately, you can easily fix a damaged MP4 video file, refer to the next section for detailed instructions.

Why do Mp4 files get Corrupt?

Like any other video formats mp4 video files do get corrupt because of the various reasons, let’s understand some of the main causes behind mp4 video corruption.

  • Virus or Malware
  • Sudden interruption during video editing,transfer,viewing etc.
  • Corruption of storage drive with bad sector
  • Irregular shutdown of your system in an improper way affect your system MP4 video files
  • Corruption of MP4 video due to Faulty storage

What happens to Corrupt MP4 Video

Sometimes unidentified errors cause MP4 head file corruption will result in inaccessible MP4 files.
  • Minor interruptions while transferring the MP4 file between two devices such as sudden jerks or shocks to the device might result in missing audio or video frames.
  • High-level virus infection might alter the codec of the MP4 video file thus corrupting the MP4 file.
  • Issues that arise on the camera due to rough handling, abruptly switching off of camera will cause pixelation or broken videos.
  • Easiest Ways To Repair Corrupted MP4 Video Files on Windows

    When an MP4 video is corrupt or broken, it might be either due to a damaged video track or audio track. It is impossible to manually repair these tracks separately. But you can choose to repair MP4 files using a VLC media player if the issue is only with sync.

    If the corruption is more than just sync issues or an audio track missing you need an MP4 repair tool that can understand the level of corruption and repair it accordingly. In this article, we have provided easy two methods that can be employed to repair or recover corrupted MP4 files.

    To fix minor corruption of MP4 files use the VLC media player method. For corruptions that cannot be mended by the VLC media player, use the Remo Video Repair tool.

    Remo flawlessly repairs individual video frames and reconstructs the damaged MP4 video file, thanks to advanced repair algorithms. Once this MP4 video repair tool confirms that the problems are completely resolved, it adjoins the audio and video tracks and saves them on your computer. The best part of this process is it works on read-only mode so the original MP4 video files stay undamaged.

    Along with MP4 files, the Remo Video Repair tool also fixes corrupt or damaged video files of various types like MOV, AVI, DIVX, XVID, etc. Remo can access the damaged MP4 video codec, pinpoint the problematic video frame, and repair the MP4 video in no time. You can even use this tool to repair MOV or MP4 files shot on the latest cameras, smartphones, and drones.

    Method 1: Repair MP4 Video File Using the Remo Video Repair tool

    Download the Remo Video Repair tool and install it in your system. Run the software.

    Step 1: Choose Corrupt MP4 Video File.

    Click on the Select File option and browse for the video file that needs to be repaired and proceed with the next step.

    repair MP4 video

    Step 2: Add a healthy Reference Video.

    From the home screen choose a healthy video file as a reference (you can easily shoot or add any reference video taken from same device as the corrupt video) and then select the corrupt MP4 video file by clicking the corrupted file option.

    repair MP4 video

    Why should I provide a healthy reference video?

    Because every video has a unique codec so when you provide the healthy video, this MP4 video repair tool will take the codec from the healthy file as a reference and repair the corrupted MP4 video file.

    Step 3: Click on the Repair button to repair the corrupted MP4 file.

    By clicking on the Repair button the tool will start the repair process by comparing the parameters of the healthy file with the damaged MP4 file that you want to repair.

    repair MP4 video

    Step 4: Click on the Preview button.

    After the scanning process, you can preview the repaired video file by clicking on the Preview button and then save the file to your desired location by activating the tool.

    repair MP4 video

    Supported Video File Codecs:

    • Video - mp4v, avc1, mjpeg
    • Audio - RAW, mp4a, sowt

    Available for: Windows 11, 10, 8, 8.1, 7, Windows Vista, and Windows XP. It is also available for Mac and it supports the latest macOS Monterey, High Sierra, Catalina, and its previous versions. Click here to repair MP4 video on Mac.

    Can VLC Repair MP4?

    Yes, VLC media player can fix a damaged or corrupt MP4 video however, the functionalities are very limited. VLC can only fix simple errors, for example, audio out of sync error or audio delay errors. Unfortunately, VLC media player cannot fix complicated errors such as video with broken header or damaged video frames or audio tracks.

    To fix complicated errors on MP4 you need to use Remo Video Repair tool, a sophisticated tool that adapts to every risky situation.

    Method 2: How to Repair MP4 Video Files Using VLC Media Player?

    If you still want to use the VLC media player to fix corrupted MP4 video files, you can do so by going through the methods listed below.

    A: Repair MP4 video using Convert/Save option for free

    • Open VLC media player, click on Media, and click on Convert/Save.
    • repair mp4 with VLC

    • Click on Add to insert the corrupt MP4 video file.
    • repair mp4 with vlc media player

    • Input the destination file location and codec from the list.
    • repair mp4 using vlc

    • Click on Start and you’ll fix the corrupted MP4 video

    B: Modify Cache Values in the VLC Player

    Follow the below-mentioned steps to increase the cache value in VLC to repair the corrupted MP4 files:

    • Open VLC Media Player
    • Click on Tools Option, go to Preferences
    • Under show settings options, click on All to display all settings
    • Select Advanced Options after clicking on Input/Codec
    • Now to make your VLC player play the MP4 video files, increase the cache value to 1000
    • After completion, Save the settings and restart the application

    C: Try Changing the MP4 Video Output Settings in VLC

    Follow the steps mentioned below to change video Output settings in VLC

    • Go to Preferences in VLC media player like you did in the previous method and click on Video.
    • Go to Video Settings, click on the drop down list next Output named as Automatic change it to DirectX (DirectDraw) Video Output.
    • Save this settings and restart VLC player to see if you have fixed the issue.

    Why VLC media player is unable to fix MP4 files?

    You can use a VLC media player to repair MP4 video but it cannot fix severe video corruption. As stated above you can use VLC to only fix minor corruption in MP4 files. If the issue is severe you should try using the first method.

    Note: If you lose or delete video files during the repair process you can make use of MP4 Recovery Tool.

    Method 3: Mac Users! You can try QuickTime to fix your MP4 video file

    If you are mac user trying to fix MP4 video that refuses to play, you can simply try QuickTime media player to fix this issue. Follow the steps mentioned below:

    • Open QuickTime media player, select Show Movie Inspector from the Windows tab
    • You will be shown video details like – Movie FPS, Video Format, Playing FPS, Pixel Information, Duration, Data Rate, Data Size, etc.
    • If the MP4 video file iss damaged or corrupted then it will display black screen error message
    • To fix this isseue, you can go to preferences, change to QuickTime Preferences and update
    • Restart your QuickTime media player and see if you can play the video file. If you are still facing the issue, making use of a video repair software is the only solution to go.

    How to Avoid MP4 Video Corruption

    • Don't record video when camera battery is low
    • Avoid use of untrusted third party software to play MP4 videos
    • Do not eject memory card during file transfer process
    • Never record videos when memory card is full.

    Frequently Asked Questions

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