How to repair MP4 video without losing its quality

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Having a corrupt or damaged MP4 video can be a distressful experience, especially if it contains something precious or memorable. Luckily, there are several MP4 repair methods as well that you can try to repair your damaged videos. Some of these methods affect your video quality and repairing MP4 files without losing quality can be challenging. 

Whether your MP4 video is corrupted due to improper transfer, software crash, or an unexpected power outage, you should try repairing these files without sacrificing quality. In this article, we’ll explore the causes of your MP4 video corruption and methods to help you learn how to repair your MP4 without losing its quality.  

Common Causes of MP4 Video Corruption

Before diving into different methods to repair MP4 video files, it’s essential to understand why MP4 files may become corrupted. Here are some of the main reasons for MP4 file corruption:

• Interrupted File Transfer: If the file transfer process is interrupted due to any reason, including power failure, system crash, or disconnected storage device, it can lead to incomplete or corrupted files.
• Software Issues: Any issue in your video-editing software or media player can cause file corruption, especially if the software crashes during a video edit or conversion process.
• Virus or Malware: Malicious software such as viruses or malware can damage MP4 files by altering their structure or interfering with playback.
• Corrupted Storage Device: Physical or logical issues with storage devices, such as hard drives or SD cards, can cause file corruption.

Quick Methods to Repair MP4 Videos Without Losing Quality

Now that we know why MP4 files can get corrupted, let’s explore how to repair them without losing quality. Just go through the below-given video repair methods one-by-one to make your videos playable again and that’s too without affecting their quality:

Method 01: Try Repairing MP4 Video with VLC Media Player

VLC Media Player is a free, open-source media player that comes with built-in repair functionality to repair your damaged MP4 files in multiple ways. To repair your corrupt video using VLC player, follow the below steps:

• Firstly, right-click on your corrupted MP4 video and select Rename. 
• Change the file format to .avi and press Enter.
• Launch the VLC player, click on Tools and then select Preferences. 
• Now, go to the “Input/Codecs” section and scroll down to the Files option. 
• Select “Always fix” from the drop-down menu next to the “Damaged or incomplete AVI file” option and click Save.
• Once done, try playing your repaired video. If the issue keeps existing, move to the next video repair method. 

Method 02: Use FFmpeg to Repair MP4 Files

FFmpeg is a powerful command-line tool that allows you to repair many common issues in MP4 files by re-encoding the video or copying the file streams. Go through the simple steps given below to repair MP4 files using FFmpeg :

• Download and install FFmpeg.
• Now, launch Command Prompt (or Terminal on macOS/Linux) and go to the folder where the corrupted file is stored.
• Type the following command to repair the file: ffmpeg -i corrupted.mp4 -c copy repaired.mp4. This command copies the video and audio streams into a new file without re-encoding, preserving the original quality.
• After completion of the process, check if the file is playable.

Method 03: Repair MP4 Video Using Hex Editor

For advanced users, a hex editor can be the best choice to manually repair MP4 files without losing quality. Hex editors display the raw binary data of a file, allowing you to manipulate it at the byte level. You can use Hex editor software tools, such as HxD, HexEd, Hex Fiend, etc. for this. However, this method requires technical knowledge of MP4 file structure and is recommended only for experts.

Method 04: Use Video Repair Software

If the aforementioned video repair methods fail to repair your corrupt MP4 videos, it’s time to use a video repair software. Tools like Stellar Repair for Video are designed specifically for handling video corruption and can repair various issues, from header problems to missing frames. You can use this tool to repair videos that are choppy, grainy, or show error messages during playback. The software supports the repairing of video files of multiple formats, including MP4, MOV, and AVI. 

The Stellar Repair for Video tool provides a user-friendly interface and allows you to repair MP4 files without quality loss. Here’s how to repair MP4 video without losing its quality using this professional video repair software:

• Firstly, download and install the Stellar Repair for Video software on your device.  
• Launch the software and from the homepage, click Add Videos to upload the corrupt MP4 video that you need to repair. 
• Now, click Repair to initiate the repairing process. 
• Once the repair process is complete, you’ll see a preview of the repaired file. If satisfied, click the Save Repaired Files button to save the repaired file(s) to your preferred location.

Conclusion

Hope, the aforementioned video repair methods help you learn how to repair MP4 video without losing its quality. Whether you use VLC Media Player, FFmpeg, or video repair software like Stellar Repair for Video, each method has its own advantages and is suitable for different levels of corruption. By understanding the exact cause of your MP4 video corruption and following the outlined repair methods, you can recover your files and preserve their original quality. 

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