MP4 is a commonly used video format for downloading and streaming videos on the internet. it is a standardized video format, and almost all media players support MP4 videos.
Opening a video file is straightforward: simply double-click it to launch in your default media player. The challenge arises with corrupted MP4 files, where players display error messages or fail to load the video entirely.
Table of Content:
- What happens if your MP4 video is corrupt?
- How To Fix Corrupted MP4 Video Files On Windows?
- Method 1: MP4 Video Repair Using The Remo Video Repair Tool
- Method 2: Repair MP4 Video Files Using VLC Media Player
- A: Convert the Corrupt MP4 video into a different format
- B: Modify the Cache Values in the VLC Player
- Method 3: Mac Users! You Can Try QuickTime To Fix Your MP4 Video File
- Common Reasons for MP4 Video File Corruption
- Tips to Avoid MP4 Video Corruption
- Conclusion
In this article, we have provided a reliable and free MP4 video repair method on how to fix damaged MP4 video files on Windows 11/10.
How To Fix Corrupted MP4 Video Files On Windows?
When an MP4 video is corrupt or broken, it might be due to a damaged video track or audio track. It is impossible to manually repair these tracks separately. But you can repair MP4 files using a VLC media player if the issue is only with sync.
For corruptions exceeding minor sync glitches or missing audio tracks, select an MP4 repair tool that detects the damage severity and addresses it precisely.
This article details simple fixes: Use VLC Media Player for light corruption, or Remo Video Repair for severe MP4 file issues.
Method 1: MP4 Video Repair Using The Remo Video Repair Tool
Remo Video Repair is an advanced yet user-friendly software designed to flawlessly repair corrupt MP4. It supports various video formats, including MOV, AVI, XVID, and DIVX.
With its read-only mode, your original videos remain undamaged. The software even supports repairing corrupt or damaged videos encoded with codecs like H.264 and advanced H.265/HEVC, providing comprehensive support for a wide range of camera models, file types, and codecs.
We highly suggest going with professional video repair software for corrupted MP4s
How to repair corrupt MP4 video using Remo Video Repair?
Install and Launch: Download and install Remo Video Repair on Windows 11/10 (or earlier versions), then open the application.
Select and Repair: Click Select File to pick your corrupted MP4. Hit Repair to start the process.
Step 2: Click on the Select File option to choose the corrupt MP4 video file that needs to be fixed. Once selected, click on the Repair button.
Note: For severe corruption, the tool prompts for a reference file, a healthy MP4 from the same device or format.
Preview and Save: After the repair completes, click Preview to check the output. If it looks good, select Save to store the fixed file in your chosen location.
The Remo video repair tool can repair the MP4 file header, index, or rebuild the damaged MP4 metadata in few clicks.
Supported Video File Codecs:
- Video – avc1/H.264, HEVC/H.265
- Audio – RAW, mp4a, sowt
Method 2: Repair MP4 Video Files Using VLC Media Player
VLC Media Player can fix minor corruptions in MP4 videos for free but with limited functionalities.VLC can only fix simple MP4 video errors, such as: MP4 audio out-of-sync error or audio delay errors.
A: Convert the Corrupt MP4 video into a different format
This method converts the corrupt MP4 video into a different format based on the original file. Using this method on VLC, you can repair any inconsistencies in the original MP4 video file, such as missing or corrupted data. One of the disadvantages of this method is it might result in a loss of video quality once it is fixed.
- Open VLC Player. Click on the Media tab and choose the Convert / Save option.
- Click on Add button to select the corrupt MP4 video file that needs to be repaired, and click on Convert / Save.
- Choose a different codec from the list and hit the Browse button to select the destination to save the repaired MP4 file.
- Click on the Start button. Once the repair process ends, you can play your MP4 video without any issues.
B: Modify the Cache Values in the VLC Player
When playing videos on Windows or Mac, VLC loads them into cache memory instead of streaming directly from the hard drive or SD card, enabling smooth playback.
A low cache value can trigger choppy or distorted MP4 playback. Boosting it often resolves these issues. Follow these steps to increase the cache in VLC and fix playback problems with corrupted MP4 files:
- Open VLC Media Player
- Click on the Tools option, and go to Preferences
- Under Show settings, choose All to find Advanced Preferences window
- Click on Input / Codecs and locate the Advanced section
- Now, increase the File caching (ms) to 1000 to fix the MP4 video buffering or not playing issue.
- After completion, Save the settings and restart the application.
Method 3: Mac Users! You Can Try QuickTime To Fix Your MP4 Video File
If you are a Mac user trying to fix an MP4 video that refuses to play, you can simply try QuickTime media player to fix this issue. Follow the steps below to repair unplayable MP4 files on Mac computer:
Step 1: Open the QuickTime Media Player on your Mac.
Step 2: Select Show Movie Inspector from the Window tab.
Note: The Movie Inspector will display various video details, including Movie FPS, Video Format, Playing FPS, Pixel Information, Duration, Data Rate, and Data Size, among others.
Step 3: QuickTime may display a black screen error message if the MP4 video file is damaged or corrupted. To fix this issue, follow the steps below;
- Go to Preferences, select QuickTime Preferences, and Update.
- Restart the QuickTime player and try playing the video file again.
Common MP4 Corruption Causes
- Interrupted Transfers: Power cuts or loose cables during video copies from cameras or phones leave files incomplete and unplayable.
- Sudden PC Crashes: Shutdowns mid-save or play cause sync issues, distortion, or partial video loss.
- Viruses/Malware: These can delete, change, or damage MP4 files on your system.
- Bad Third-Party Apps: Unreliable tools for editing or fixing MP4s with wrong settings included can corrupt them.
- Hardware Problems: Faulty drives lead to data loss and file corruption.
Tips to Avoid MP4 Video Corruption
- Don’t record videos when your camera battery is running low. If your camera turns off during MP4 video recording, it might corrupt the video.
- Avoid using unreliable third-party software to play, edit, recover, and convert MP4 videos.
- Do not eject the memory card from your camera or device during the MP4 file transfer process.
- Do not connect your camera or SD card to virus-infected devices. This can make your MP4 videos corrupt.
Conclusion
We hope these solutions helped resolve your corrupted MP4 files. Begin with VLC Media Player for repairs or convert to another format.
For severe damage, use a dedicated tool like Remo Video Repair for efficient restoration.
Frequently Asked Questions
MP4 files can become corrupted due to various reasons. Improper file transfers, incomplete downloads, faulty storage devices, codec issues, malware. Or software glitches during recording/editing. Symptoms include choppy playback, audio-video sync issues, or files that won’t open.
Download and install Remo Video Repair Software. Launch it, select the corrupted MP4 file, and provide a reference (healthy) MP4 file if required. Click “Repair” to fix the file, preview the repaired video, and save it to your desired location.
Yes, you can use VLC Media Player to repair minor MP4 corruptions. Adjust settings in Tools > Preferences > Input/Codecs and selecting “Always Fix” or converting the file. Alternatively, FFmpeg, a free command-line tool, can repair files using commands. Like ffmpeg -i corrupt.mp4 -c copy fixed.mp4, though it requires technical knowledge.
An MP4 might not play if the file is corrupted, the media player doesn’t support the codec, or the download/transfer was incomplete. Trying another player like VLC can often fix the problem.
Update your media player or switch to VLC. If the MP4 file is corrupted, you can use a repair tool such as Remo Video Repair to fix and restore playback.
Convert the MP4 into a supported format with a video converter, or install the missing codec. If the file is corrupted, a tool like Remo Video Repair can help repair it.
Right-click the video > Properties > Details (on Windows), or open it in VLC and check Tools > Codec Information. This shows the codec used in the MP4.
Yes, VLC can fix minor MP4 corruption by altering the file’s container or index, but it is not a comprehensive video repair tool and may not work for severe damage
