Grau GmbH (Video Repair Software) With Video Repair Software you can repair damaged, broken, truncated and corrupt MOV/MP4 video files that do not play in the media player. This utility supports non-broken reference videos to find the missing meta-data so that you have an enriching viewing experience. Today, we have a list of free video repair software that can help fix the corrupted video in no time. While some of these softwares work for only certain codecs, some work for all. These freewares fix different formats like, MPEG, AVI, WMV, MP4 and many other frequently used codecs.
Are you struggling to get that video file to play? Whether you’ve recorded the video on a phone or on a standard video camera, playback can sometimes be a problem.
Often, it’s simply a case of installing the right video codex, but what if the video file isn’t working? In this article, we explain how to fix a corrupt MP4.
How to Fix a Corrupt MP4 File
I recently ran into a problem with a corrupted MP4 video file.
Sitting at 1.29 GB, the newly created file refused to play back in any of the apps on my phone. My first reaction was to transfer it to my PC and try it there.
Apps that fix dodgy videos are not exactly plentiful. They don’t come pre-installed on Windows or other operating systems and they’re not included with video editing tools. The reason is simple: repairing videos is not easy.
As such, we tend to discard videos that don’t work. What tools are available to help repair a corrupted MP4 video? You should try these two strong options:
- VLC Player is the best media player for most operating systems
- Video Repair from Grau GmbH for Windows
Of these, if you’re repairing videos on Windows, it’s worth considering Video Repair. The trial has a cut-off point, which means that only the first 50 percent is repaired. Would you want to pay for an app that might fail to repair the video?
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Probably not. Fortunately, there is a workaround.
Fix a Corrupt Video File with VLC
VLC Player is an incredibly versatile app that can play video files that are only partially downloaded. If you think that’s impressive, you should check out the other amazing features of VLC Media Player7 Top Secret Features of the Free VLC Media Player7 Top Secret Features of the Free VLC Media PlayerVLC should be your media player of choice. The cross-platform tool has a bag full of secret features you can use right now.Read More.
As such, it is ideal for attempting to play a corrupt video. If playing it doesn’t work, don’t worry, as you may be able to convert it to a working file format.
First, download VLC Player using the link above and install it. Run the app and open the Media menu. Select Convert/Save then Add and find the corrupt video file.
Next, click the Convert/Save button then Convert and choose a Profile from the dropdown menu. Click the Edit Selected Profile button (a spanner) then name your output file. When you’re done, click Start.
If VLC can repair your video file, it will create a new, watchable file.
How to Repair a Corrupt MP4 With Video Repair
First, download and install Video Repair. Next, make sure you have the corrupted MP4 and a similar file, recorded with the same camera and app. It should also be of the same subject, as it will be used as a reference.
Run the app and select your language, then browse for the corrupted video file in the Choose movie box. Next, select the reference file in Choose reference movie. MP4 and MOV files are compatible with this app.
Click Scan to repair the corrupt MP4.
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If successful, Video Repair will provide a list of fixes it employed to make the movie watchable. But if no list of fixes is provided, Video Repair cannot fix your video.
An Expensive Way to Repair Corrupt MP4 Videos
Say, for example, that you have just one corrupt video you want to repair. Video Repair would be the sensible choice now you’ve been introduced, but there’s a problem. It’s expensive. Purchasing the app will set you back €29 (around $33) and this only provides FIVE repair jobs. For an unlimited license, the price is €99 ($114).
If you find that you regularly have videos that turn out corrupt, this might be an option; however, finding the underlying causes of your corrupt clips might be a better strategy.
So, what do you do to repair the entire video? Well, you can pay the fee and buy the full version, or you can use some totally legal trickery to get the video restored in its entirety…
Double Up and Repair Your MP4
As demonstrated by YouTube user R3DLIN3S, it’s possible to trick Video Repair into repairing the entire video. The idea is simple: we make a video file that is twice as long, and still convert just 50 percent of it. Because we doubled the video length, the file that is converted is our entire original file.
But how do we do this?
Create a new folder (perhaps labelled “Corrupt File”) then move the corrupt file into it. Copy the file so that you have two identical corrupt MP4s. This may take a while for larger files.
Once copied, rename them; it’s best to use sequential names, like VID1 and VID2.
Next, open the command prompt. Hit Win + R and enter cmd then click OK. Use cd to navigate to the Corrupt File directory and enter the following:
This command stitches the two files together into a single MP4, in place of the first file. You’ll need to wait a while, but by the end VID1.mp4 and VID2.mp4 will be merged into VID1.mp4.
Confirm this by checking the file size of VID1.mp4. If it is now twice as long, you’re ready to use the repair tool, as demonstrated above.
If Video Repair Works Consider Paying for It
Corrupt video files are frustrating. It seems that clips you record by mistake and no longer need never end up corrupting. Rather, it tends to be the ones that you want to watch.
Whatever tool you opt to use to repair corrupt video files, it’s important to be honest about using them. Should VLC work for you, then great. If not, while we’ve presented you with a workaround for completely fixing a corrupt MP4 using Video Repair, consider it a one-off.
If the tool works for you and you expect to use it again, it is appropriate to pay for the software rather than using this trick over and over.
With your corrupt MP4 video fixed, it’s time to edit it into shape. Not sure which app to use? Try one of the best free video editors for WindowsThe Best Free Video Editors for WindowsThe Best Free Video Editors for WindowsEveryone takes videos these days. Yet powerful free video editors remain rare. We present the absolute best free video editors available for Windows.Read More.
Explore more about: MP4, Troubleshooting, Video.
Thank you for sharing this program! I've recovered my daughter's first steps, cause F@^#&N camera didn't save just that one video :D Cheers!
1/2 of video is showing but with out sound.
123
These tools are not free anymore. E.g. grauonline charges a fortune, and I wasn't satisfied with the result. Among similar tools, the only option I can think of is Restore.Media online service https://restore.media/ - worked like a charm for me. They have been free back in March, 2018 - maybe they charge something now
Not working anymore in v3.1.0.1
The tool knows it's two files and recovers half of it two times.Mine some clips running wont. Either uploaded place in one playing doesnt.
Why the output file only have 70 kb if my original corrupt file has around 900 mb??
you could also try what I do sometimes:
dump it into a few players first (I use GOM player)
then try vlc player. A lot of the time this will workI tried this. But the app is creating two files, both of the same length, which are half the length of the original. I used version 3. Maybe the developers know the trick now, and the new version is still repairing 50% of the original. I cannot download the older version from anywhere. Please help.
I tried this. But the app created two repaired files, both of same length, which are half the length of the original. I used version 3 . I think the new version knows the trick. I cannot download the older version from anywhere. Please help.
Worked great. Well worth the about $35 US dollars. Pay people their fair wage. I had to turn on the option called NO ctts. Thank you to the software engineers who saved an important family video. Remember, read the help tips. The free demo mode worked great, and that allowed me to experiment with several options. My first demo try failed and then my second attempt with CTTS off worked great. Then once I knew it would work I made the purchase.
Thank you so much for this. I had a video file that had been corrupted on recording and thanks to you I was able to recover all the footage.
Perfect ! It works very well !
Thanks so much!!!
Doubles the file size of my mp4 but did not double the length, so it still only processed the first half of the file. :(
I tested the trick several times and can confirm that by simply merging video files, the tool repairs 50% of the first video and 50% of the second video, even if they are one merged file.
Then I removed the header of second video file before merging, using HxD binary editor. This is actually quite easy. Just start selecting bytes from beginning until you reach unrecognizable stuff (most likely video stream). My MP4 files had headers of about 450 bytes. You can recognize header by clearly visible words between lots of zeroes.
I guess that this way the tool thinks that this is one big file.
Removing the header of the second video file does not matter, because the second 50% is not recovered in demo mode, so the first 50% (first video file) is properly recovered.
Man .. This is just awesome :-* I love you :-)
Thank you so much. This just saved me.
Haha.. if they didn't want you to come up with a way to trick it, they shouldn't have made the app so pricey. Great thinking and thanks!
you da man! thanks for tutorial!
Worked for me! Thanks a bunch.
Further Info: It indead doubles the file size but not video length
The command copy/b file1+file2 seems not to double the length of the video as expected/explained. Atleast for corrupt videos ;(
Output video seems like slow motion
Try change the frame rate
Updated: June 5, 2019 Home » Freeware and Software Reviews » Data Recovery, Backup And Cloud Storage
There are times when certain avi videos and are not playable (corrupted), possibly due to IO error when downloading. If the video is another movie that can be found in any video rental shop then it is a non issue, but if it’s a homemade video of your precious memories such as your wedding day, how do you go about watching the corrupted video?
Alternative Article ➤ 6 Jpeg Photo Repair And Recovery Software
Is there any freeware that repair and fix corrupted video files in .avi format? The need to repair these precious videos is important, here are some free tools which allow you to repair your corrupted video files for Microsoft Windows 7, 8, 8.1, 10 & Apple Mac OS X 32bit and 64 bit.
01 – Stellar Phoenix Video Repair [ The Best ] | Windows & macOS
Efficient video repair tool for Apple macOS and Microsoft Windows to repair corrupt or damaged videos including MOV files that are unplayable in QuickTime player. The tool repairs video affected from various issues like sound corruption, header corruption, movement corruption, duration corruption, and change in format. In addition, it allows simultaneous repair of multiple video files.
- Supports repair of MP4, MOV, 3GP, M4V, M4A, 3G2, and F4V video file formats
- Repairs video present on hard disks, memory cards, and other storage media
- Provides a preview of the repaired videos
- Saves repaired files at a user-specified location
- Supports the latest Mac OS X Yosemite, Mavericks, Mountain Lion, Lion, and Snow Leopard
- Supports Windows 10/8/8.1/7/Vista and Mac 10.13/10.12/10.11/10.10/10.9/10.8/10.7
The new version have a new feature in the software which allows users to repair severely corrupted video file by using a sample file. A Sample File is a working file of any size created from the same device and of the same format as of your corrupt video file.
02 – Yodot AVI Repair | Windows & Mac
Fixing corrupted AVI file is no longer a difficult task!
- Instantly repairs AVI, XVID and DIVX video files on Windows and Mac OS
- Fix corrupted AVI files created by famous DSLR cameras or camcorder brands
- Repairs corrupt AVI files present on hard drive, memory card, USB drive, iPod, etc
- Simple and user friendly interface to mend video files in 3 to 4 steps
- Preview video file after the completion of repair process
03 – Remo Repair AVI | Windows & Mac
Remo Repair AVI has been built to repair unplayable avi, xvid and divx file formats. An avi file becomes unplayable when it gets corrupted or damaged due to various reasons. This application has been built with powerful algorithms to splice and de-mux broken parts of a corrupt file and transform, an erratic display into a seamless presentation. Thus, with Remo Repair, videos rendered useless can be converted into useful files. Features
- Repairs corrupt, damaged avi, xvid and divx file formats that do not play smoothly or do not play at all
- Repairs and adjoins audio and video data stream side by side
- Fixed avi files can be played both on Windows and Mac OS
- Comes with a demo version which repairs corrupted file and provides a preview of the repaired file. This enables one to evaluate the trial version before purchasing the software
- Supports devices like Hard Disk Drives, Memory Cards, USBs etc.
04 – Digital Video Repair | Free
Repair AVI videos in just a few clicks! Digital Video Repair will fix broken AVI files encoded with Xvid, DivX, MPEG4, 3ivx and Angel Potion codecs, helping achieve a perfectly smooth viewing experience. Playing corrupted AVI files can result in blotchy or jerky playback, lockups, visual artefacts and audio-video desync. DVR will carefully repair the AVI file structures, re-encoding bad segments if required to ensure smooth, uninterrupted playback and full conformance to the original AVI specifications.
- Detect the corrupt data
- Repairing the index of AVI file
- Repairing AVI files sized over 2Gb
- Fixing AVI files failed in recording
- Repairing AVI files without MOVI-chunk
- Detect the key-frame for these codecs: XviD, DivX 4, 5, 3ivx, Microsoft MPEG4 (versions 1, 2, 3), DivX 3.11 and late (versions 1, 2, 3 Low and Fast) and Angel Potion (versions 1 and 2)
- Support the Standard AVI file format (Microsoft Video for Windows)
- Support the OpenDML AVI file format
- Processing multi-track AVI files
- Delete not important information from AVI file (chunk JUNK)
- Multilanguage Support (English, German, Russian) via System Menu:
05 – Repair Video Master [ Discontinued ] | Windows
Don’t discard partly damaged or corrupted video files; Repair Video Master can recover them for you.
- Small utility for repairing video files can’t be played or seeked(fast forwarded).
- Support repairing AVI, DivX, Xvid, MPEG-4, RM, RMVB, ASF, WMV, WMA, AC3 files.
- No damage to your original video, making its fixed copy instead.
- Fix with excellent performance and high speed.
[ Tutorial ] VLC Media Player
Repair Corrupt AVI, Mp4, QTRM, and Mov Videos with VLC Media Player. Having said that, perhaps the best software to repair your broken avi video file is none other than to use the best video player in the market – VLC Media Player. VLC Player comes with a build in feature that repairs broken avi file, you can configure VLC to automaically or mass fix damage .AVI files, without displaying the below notifications:
- Step 1 – Go to ‘Tools’
- Step 2 – Select ‘Preference’
- Step 3 – Click on the ‘Input & Codecs’ tab
- Step 4 – Choose ‘Always Fix’
Click on the Save button to validate. Why VLC Media Player is the best tool to fix avi? Because it works on Microsoft Windows, Apple Mac OS X, Linux Ubuntu and more. Avi is an outdated format, perhaps it is time to use H.264 encoder to migrate all of your avi files to MP4.