Category Archives: mp4 repair

Repairing corrupt .aac (Advanced Audio Coding) files

Corrupt .aac files Although no advertised service I received an email from someone asking if I could repair .aac files. Until I try I can not answer yes or no. My interest was further sparked by the fact the extensions for the files changed to .kasp which suggests files were corrupted by ransomware. What helps… Read More »

Why is photo repair more expensive than photo recovery?

In this post I’ll try to explain why photo repair is relatively expensive compared to photo recovery. Why is it many photos can be recovered at a fraction of the cost of repairing just a few images?

Best MP4 video repair tools | Why they may not work at all

In this post we’ll look at some MP4 Video Repair tools. Digital video and digital photography is booming. Today almost every one carries a device capable of capturing digital photos and video, the smart-phone. And on top of that there are millions of people owning digital camera’s and action cams (GoPro etc.) shooting terabytes of… Read More »

How to fix and open recovered photos?

Unfortunately it is a common problem that you are unable to open recovered photos after using file recovery, undelete or photo recovery software on a SD card. In this post I will make some assumptions: Photos are on a memory card and therefor: File system is a variation of FAT  (FAT32, exFAT) File type is… Read More »

How to repair a corrupted JPEG photo

How to repair a corrupted JPEG photo may seem a simple question but the answer isn’t. Many people seem to expect to run some JPEG Repair software and that fixes it. And that’s what many of my competitors promise. If only it were that simple. Now, let’s take this one step at the time to… Read More »

MP4 video repair

Edit, 2020-05-14: I found a better option working with a more up-to-date and better maintained version of untrunc. I strongly suggest you use this, it can be found here (source + binaries). Direct downloads: Windows 32-bit and Windows 64-bit. I was just looking around what is available for repairing MP4 video files. I am frequently… Read More »

MP4 video recovery observations

I recently did a MP4 video recovery from a memory card (SD). It contained combined JPEG photo and MP4 video data, shot with a Canon EOS 600 D. Previous recovery attempts done by the customer resulted in the majority of the files being corrupt. All MP4 video was unplayable. Most recovered MP4 videos were tiny… Read More »