How To Repair Recovered Mp4 Video Files

This guide volition help your recover corrupted, unplayable or accidentally deleted MP4 video files.

Primal Specs:

• Tool: Restore.Media
• Video file format: MP4
• Supported cameras: all digital cameras, DSLRs, drones, smartphones (Android, iPhone), dash cams, action cameras and screen recording apps.

Restore.Media is an MP4 video recovery tool that works online, right in your web browser. Then, at that place is no demand to download and install anything.

The tool has recovery algorithms optimized for hundreds of different camera models. This increases the likelihood of recovering damaged MP4 video. Restore.Media also supports H.264 / AVC and H.265 / HEVC compression codecs.

Follow the steps below to recover MP4 video quickly. Select your instance from the listing to jump directly to the relevant department:

• I cannot play MP4 video file in my media player. The file appears to be damaged – see this affiliate.
• I accidentally deleted MP4 files from SD card or other storage device – go here.
• I'm 100% sure the MP4 files are ok, only my media player won't play videos – run into this chapter.
• How can I prevent futurity damage to my videos? Run into this section.

Chapter 1:

How to Fix Corrupted MP4 Files with Restore.Media

MP4 files are media containers that consist of video streams, sound streams, and metadata.

Broken MP4 files usually contain good video and audio streams, but have corrupted structure and metadata (we'll cover this in more detail later in this article).

Restore.Media is a video recovery tool that extracts healthy video and audio streams from damaged MP4 file, recovers metadata so embeds it into a new playable MP4 file.

Hither is a stride by step guide to fix corrupted MP4 files with this tool:

Footstep one

Register a costless account at Restore.Media

Registration is gratis and you can as well repair / preview videos for gratis. However, please note that you take to pay a small fee to download the recovered MP4 video.

Stride 2

When you're signed in, click Get started:

Footstep three

Now select the photographic camera used to record the corrupted MP4 video file.

If you cannot find the camera in the list, simply enter it manually in the text field.

And if you don't know which photographic camera was used to tape the video, select Generic MP4 file (H.264/AVC video and optional audio):

Footstep four

Create a recovery task by giving it whatever name y'all like. For instance, "Wedding party" or "Summer vacation":

Step five

At present click Choose file to upload corrupted MP4 video:

Step vi

At this point, Restore.Media may ask yous to upload a sample file. In this case, you will see the post-obit screen:

A sample video is a not-broken (playable) video file recorded with the same camera and with the aforementioned settings as the damaged file (same resolution, orientation, frame rate, etc.).

As a sample file, you lot tin use a video that was recorded by the photographic camera just earlier the damaged file. Alternatively, you can effort to notice a sample file in your video archive or even record a new 1. A video sample of 30 seconds or more should be sufficient.

Again, the key point hither is that the sample video must be recorded with the same camera and with the aforementioned settings equally the damaged video. Restore.Media will employ data from the sample video to gear up your corrupted MP4 file.

Note: Sometimes yous don't need a sample video to recover a damaged MP4 file. Information technology depends on the photographic camera model used to record the corrupted MP4 video. If and then, just go to Step 7.

Step vii

Restore.Media will start repairing the corrupted MP4 file automatically. The time it takes to fix the damaged video depends on the file size.

Upon completion, yous will encounter several screenshots taken from the recovered video, as well equally a full-length video preview.

Screenshots are taken in the original video resolution. Whereas the video preview is in low resolution and quality for advisory purposes but, so that you tin check if the video has actually been restored:

If you are satisfied with the results, click the big green button at the bottom of the page to download the recovered MP4 file in its original resolution and quality.

If the video has non been repaired properly, read the notifications displayed next to the preview to endeavor to repair the file with different settings.

Note: If you've tried other settings, merely your cleaved MP4 video still hasn't been stock-still, experience free to transport us the file for manual recovery. But click on the big yellowish button "Ask for manual recovery past an engineer" (run into screenshot in a higher place). Or ship us a message via e-mail.

Method two – Use Our Command Line MP4 Recovery Tool

This method of recovering corrupted MP4 files only works on Windows systems. It besides requires some basic knowledge of the Command Prompt.

If you are using any other operating organization (for example, macOS, iOS, Android, etc.), or if you lot are not familiar with Control Prompt, we recommend repairing videos using Restore.Media.

Step ane

Make a backup of your damaged MP4 video.

Step 2

Discover a sample MP4 file. It must be a healthy (playable) video file recorded with the same camera and with the same settings as the damaged file (same resolution, orientation, frame rate, etc.).

If you are using a valuable video as a sample file, make a backup copy of that video besides.

Step three

Download our Command Prompt MP4 recovery tool by clicking on this link.

Stride iv

Download some other free tool chosen FFmpeg. You volition demand it afterward to combine the stock-still video and sound streams into the terminal MP4 file. You can download FFmpeg here.

Step 5

At this point, you should have 2 zip archives downloaded to your reckoner. At present unzip the ffmpeg.nix file to your C:\ drive. Rename the extracted binder to ffmpeg.

Stride six

Inside the ffmpeg binder is the bin directory. Open this directory and unzip all files from recovery_MP4.zip into it. Subsequently that, all .exe files from both archives should be stored in the /ffmpeg/bin folder.

Step seven

Rename the damaged MP4 file to "bad.mp4" (without quotes).

Rename the sample video file to "good.mp4" (without quotes).

And then re-create the files bad.mp4 and practiced.mp4 to the \ffmpeg\bin folder.

Footstep 8

At present you demand to run Command Prompt as ambassador. To do this, click Kickoff and blazon CMD in the search box. A command line invocation link should appear. Correct click it and select "Run equally administrator". This will open the Command Prompt in a new window.

Stride 9

In Command Prompt, change the working directory to the one where the ffmpeg.exe, Recovery_mp4.exe and MP4 files are stored.

For example, if yous extracted all the files to the C:\ bulldoze as described in the previous steps, the working directory should be: C:\ffmpeg\bin

To switch to this directory, enter the post-obit control in the Command Prompt:

cd C:\ffmpeg\bin

Step 10

Copy the following command to Command Prompt and press Enter:

recover_mp4.exe good.mp4 --analyze

What will this command do?

• recover_mp4.exe – launches (calls) the video recovery application
• good.mp4 – specifies the path to the sample video required for the recovery application
• --analyze – instructs the tool to extract the required data from the sample file

Step 11

After processing is consummate, you will receive a bulletin containing ii commands. The first is to fix the missing metadata. And the second is to embed the recovered video and audio streams into the terminal MP4 file.

At this point, we recommend that you re-create the 2nd command into a text document and then yous tin can run it later.

At present run the first control in Control Prompt (merely re-create / paste it and press Enter). The command should look like this:

recover_mp4.exe bad.mp4 recovered.h264 recovered.aac

What will this command exercise?

• recover_mp4.exe – launches (calls) the video recovery awarding
• bad.mp4 – specifies the path to the damaged MP4 file
• recovered.h264 – specifies the output file name for the stock-still video stream
• recovered.aac – specifies the output file name for the stock-still audio stream

Step 12

Now yous need to combine the received video and sound streams into the concluding valid MP4 file. To do this, run the command that you previously saved in a text certificate. The command should wait like this:

ffmpeg.exe -r xxx -i recovered.h264 -i recovered.aac -bsf:a aac_adtstoasc -c:v copy -c:a copy recovered.mp4

This command will call the FFmpeg tool to merge streams. The concluding MP4 file will be saved in the aforementioned folder (C:\ffmpeg\bin) chosen recovered.mp4.

Your MP4 video is now fixed! You can play information technology in your favorite media player.

Please note that the commands in a higher place may differ depending on the paths you used to extract FFmpeg and MP4 recovery tool. And then, be certain to follow the instructions from the Command Prompt.

Too annotation that we do not provide support for the gratis tool recover_MP4.

If you are stuck with Command Prompt and cannot recover corrupted MP4 video files for any reason, nosotros recommend that you effort Restore.Media instead. Information technology has a wizard-similar interface and is much easier to employ.

Update: We recently came across this video tutorial on how to utilise the recovery_MP4 tool. Information technology was created by a video blogger who was able to recover MP4 files using the tool:

Chapter ii:

How to Recover Deleted MP4 Video Files

In this department, we will try to assistance those of you lot who accept:

• Accidentally deleted MP4 files from SD or other flash memory card.
• Accidentally formatted a retention card with MP4 files stored on it.

The chance of successful video recovery in these cases depends on how fragmented your MP4 files are, and whether you lot accept overwritten the deleted files.

Note: If you lot've deleted MP4 files from your hard drive (HDD), the chances of recovering them are unfortunately depression. And information technology is most certainly impossible to recover deleted video files from an SSD bulldoze. This chapter will exist useful mainly for those who have deleted their MP4 files from a flash memory carte du jour such every bit SD or microSD.

The Trouble

Fragmentation of files occurs due to the way most file systems work. Each storage device, be it a flash memory card or hard drive, is divided into small blocks. When a file is written to storage, the file system splits the file into modest chunks that are placed in blocks.

However, blocks of complimentary space are not always aligned continuously. This is a adequately common instance where blocks of free space are in between some other files that yous accept previously written to the storage medium. And so, when you save (write) some new video to a storage device, its file system fills all those gratuitous infinite gaps with a new file.

As a result, chunks of your MP4 video file may exist scattered beyond the storage. Sometimes at that place can exist hundreds or even thousands of file fragments, depending on how fragmented the storage is.

Now, when you lot delete a file or practice a quick format, the file arrangement does non actually erase the file, but rather deletes the indices that indicate where all the chunks of that particular file are in storage.

To recover such a fragmented MP4 video file, 1 would need to analyze the whole storage medium to collect all the file'due south chunks and then combine them frame by frame into a unmarried video file.

Pro tip: Apace format your memory carte du jour before shooting important footage. This ensures that no unnecessary data is left on the carte, and new video files are written into contiguous blocks of gratis space, rather than scattered around the storage.

So far, nosotros are not enlightened of whatever software that could accurately recover such fragmented video files. Simply there is notwithstanding a solution:

Solution

Pace ane

If you accidentally deleted an MP4 file or quick-formatted your memory card, the first thing you should practise is remove the retention card from the camera and lock information technology to prevent new information from being written to the carte.

Remember – the less manipulations you do on the memory card, the higher the chances of recovering your MP4 files.

Stride 2

Now create an prototype of the entire memory card. Please note that the image type must be IMG, not ISO.

Stride 3

Upload the epitome file to a file sharing service like Google Bulldoze and email us the link to it. Our video engineers will clarify the paradigm of your retentiveness card and try to recover the video files for you.

Update: We accept recently published a much more detailed guide to the process of recovering video from SD carte du jour. We strongly recommend that yous read the guide if you accidentally deleted your video files and want to recover them.

Chapter iii:

Bank check Your Media Player and Video Codecs

In this chapter, we give advice on what to do when the MP4 file does not play, even if you lot are certain that the video is not corrupted in any way.

Video data contained in MP4 files can be compressed using various codecs.

Some codecs are common and come preinstalled with congenital-in software such as Windows Media Player, QuickTime, or the default Android media player. Other codecs are rare, which means yous may demand to install boosted software to be able to play the file.

For case, you might have downloaded an MP4 file from a trusted source, from a website, or someone just shared a video with you. The file is fine, only when you try to play it, you become an error message such every bit "unsupported file format", "file cannot be played", or the like.

If this is your example, well-nigh likely you just have an outdated media player or the required video codecs are non installed on your computer.

For Windows users, we recommend the latest K-Lite Codec Pack. This free package includes all the major codecs you need to play a wide variety of media types, including MP4. Information technology as well comes with a lightweight media player called Media Player Classic (MPC), which is a corking replacement for the congenital-in Windows Media Player. In some cases, information technology even lets you play corrupted MP4 files with broken indices.

Please note: after installing the K-Lite Codec Pack, it is not recommended to install any other codecs on the same computer in order to avoid possible conflicts betwixt them.

For Mac and other non-Windows users, we recommend VLC media player. It'southward free and works on all popular platforms including Mac, Linux, Android and iOS. VLC media actor besides comes with video and audio codecs including AVC / H.264 and HEVC / H.265 required to play MP4 video files.

If you've installed the latest K-Lite Codec Pack or VLC media histrion and the video still won't play, it might be considering the MP4 file is actually corrupted.

Sometimes the video plays, merely it contains glitches / artifacts or inapplicable noise. These are as well signs of a corrupted video file that you tin can potentially fix.

See Chapter i to learn how to recover MP4 video files.

Chapter 4:

How Can I Prevent Impairment to MP4 Recordings?

To answer that question, let'south kickoff take a closer await at what MP4 files really are.

MP4 (or MPEG-four Office fourteen) is a multimedia container format used to shop video and sound data.

In addition to the actual video and audio tracks, each MP4 file contains the metadata required past media players to open up the file. This is information about video length, resolution, frame rate, bit rate, codecs, etc. Metadata is stored in a separate department of each MP4 file – the header.

When recording video, each camera stores metadata in internal memory (RAM), and the actual video is recorded in permanent storage (usually an external retentiveness card such every bit SD).

RAM (random access retentiveness) is temporary memory required for fast operation of cameras. When you stop recording video, your camera transfers metadata from RAM to permanent storage and saves it at the end of the recorded MP4 file.

Unfortunately, RAM cannot store information without power. As you may take guessed by at present, if the camera accidentally turns off while recording a video, the metadata may be lost and volition non be saved in the final video file. As a effect, you have an MP4 file that looks like a regular video, merely won't play.

The aforementioned problem tin can occur due to a file transfer failure. If the video download is interrupted, the necessary metadata may exist lost. Every bit a consequence, this video will not play.

Basically, if yous didn't cease video recording properly, or the transfer process of the video file was interrupted for any reason, yous may end upwards with a corrupted, unplayable MP4 file.

How to avoid this?

• Kickoff, exist sure to press the Stop button BEFORE turning off the camera.
• Charge the camera's battery whenever possible. Be sure to bring backup batteries when shooting important videos.
• Quick-format the SD card in the camera subsequently downloading files from it. This volition prevent file fragmentation when new videos are written to the card.
• Retrieve to update your photographic camera firmware on a regular basis.
• Back up important video files before editing or transferring them.

By following these elementary tips, you lot volition greatly reduce the chances of corrupting your MP4 files in well-nigh cases.

However, in that location are times when a disaster simply cannot exist avoided. A dropped camera or phone, a hard landing and a drone crash are simply a few examples of how video recording can be interrupted by an blow.

The good news is that information technology is still possible to recover corrupted MP4 files that have not been saved properly.

This is what Restore.Media does automatically for you. The tool recovers missing metadata, rebuilds corrupted indexes, and ultimately rebuilds the video file from scratch. See Chapter 1 of this commodity to learn how to recover MP4 files using this tool.

___________

We promise this guide can help you fix corrupted MP4 video files. If not, ship us a message and our engineers will attempt to set up the files for you.

Happy recovering!

Source: https://restore.media/blog/how-to-fix-corrupted-mp4-files

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