"Hi! My phone captured a MP4 video clip but neither it nor other players can play it back correctly. The audio is ok but the video is in green and black and seems like five pictures tiled. How could I possibly repair the corrupted MP4 file? The video clip is very important and memorable for me. Thanks."
If you downloaded or have a local recording of an online video, which was later saved in .mp4, or rather, a damaged MP4 file, how can you repair the corrupted MP4 file and get back your full intact video? There is much to do for fixing a broken MP4 video and you probably should start with the basics: some attention to the degree of video file damage and a great emphasis on the selection of the best MP4 file repair software.
There is something you need to know to decide whether you should try to fix a broken MP4 video or not, like how bad your broken video file is. Slightly damaged MP4 video file can be repaired by software, say, VideoProc and Grau GbRs Video Repair Tool, both of which are experts in their different ways to repair MP4 files. As an example, let's take the software VideoProc. It is designed as the worlds's No.1 fast UHD video converter, built-in with hardware encoder and YouTube downloader, capable of downloading and converting videos for playing back on various platforms, incl. iPhone, iPad, iPod, Apple TV, Android mobiles and tablet, Chromecast, Roku, Seagate, etc. On top of that, it is a functional video editor, which can auto fix incorrect data, repair your corrupted MP4 video file and convert MP4 to 370+ video codecs. Or you can repair MP4 video with his software by trimming broken video clips.
VideoProc - Repair slightly broken MP4 video file by trimming video clips. Convert iPhone recorded video/audio file to AVI, MP4, MOV, etc for PC, Mac, USB, Hard drive, DVD for backup to avoid data loss.
Free download VideoProc for Windows/10 and get it installed on a drive other than Disk C.
Step 1: Click "+Video" to load the MP4 video with damaged video clips.
Step 2: Tap "Edit" button on the main interface -> go to Cut -> drag knob to set the time position for cutting -> click Cut button on the right -> specify the "Start Time" and "End Time" of the corrupted MP4 video clip (thus you can avoid the corrupted point) -> repeat the operation if you would like cut out more clips -> click button "Done".
Step 3: Set your destination folder and press button "RUN" to start repairing your corrupted MP4 file.
More about the MP4 video editor
As to video editing, you are also enabled to add external SRT subtitles, merge several videos into a single one, crop black edges of video, etc. In additon to repairing corrupted MP4 file, you will also have ultimate control over video conversion, be it 4K UHD, Full HD 1080p, 3D or standard video, as well as YouTube video download.
"I have about 5 hours of critical footage that was recorded through OBS. Awkwardly, of the 6 total hours, about 30 minutes of it have been saved in mp4 and works perfectly."
Provided that you have tried everything you know and some ways you don't know to do the damaged MP4 video repairing, like opening the MP4 files in VLC, ffmpeg editing, AtomicParsley, All Video Fixer and various MP4 file repair tools, but nothing truly works, the ultimate solution to repair such severely corrupted MP4 file is doing it manually by professionals, which is way outside most people's price range. Under such circumstances, you data is approximately lost forever.
There are some other accesses to fixing corrupted, damaged or broken MP4/MOV videos, through video repair tools, for example, Grau GbRs Video Repair Tool and mp4repair.org. Of note, the former MP4 file repair software fixes MP4 files by reconstructing undamaged raw video/audio stream data, while the later one would probably cost you 300 dollars to repair a footage of 5 hours.
If you need to repair MP4 files and convert videos to the best video size for YouTube uploading or fix video parameters, please turn to VideoProc. It can also edit videos, adjust videos, download media content online, convert DVDs and record your PC screen.
Related External Sources:
MP4: MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images...
Estrella H. is a senior editor in Digiarty Software. She manages the software test section and creates easy and useful how-tos. When not in editing, she spends her spare time on Rubik's Cube and ukulele.