Category Archives: photo repair

Can corrupt NEF (Nikon RAW) files be repaired?

Can corrupt NEF (Nikon RAW) files be repaired? A question I frequently get from people that discover my JPEG repair service. Can corrupt NEF (Nikon RAW) files be repaired? The answer is similar to the question ‘can a JPEG be repaired?’: If actual data is present then often Nikon RAW files can be repaired. The… Read More »

Repair and recovery of digital photos

[automatically translated. Original language Dutch] DiskTuna has extensive experience with generic data recovery but specializes in recovering photos from small flash-based data carriers (SD cards, USB thumb drives, etc.). DiskTuna is also one of the few (worldwide!) That is able to repair corrupt digital photos. You can read all about it on this page. You… Read More »

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?

Recent changes to JPEG-Repair Toolkit

2.8.110 – May 3 update Brings JpegDigger to version 2.6.280 # Fixes bug that made JpegDigger miss JPEGs embedded inside RAW photos. # Improvements to automatic block size detection. # Fixes progress bar flicker # Adds ‘drive passport’ option in physical drive selection window: JpegDigger will try to detect drive model and serial number using… Read More »

JPEG restart markers to the rescue

Restart markers make the difference This YouTube channel by my friend and colleague Nguyễn Vũ Hà has many great examples of JPEG-Repair being used to repair STOP/DJVU ransomware affected files. This video in particular is a great showcase on how JPEG restart markers prevent corruption propagating through the JPEG image stream. As you can see… Read More »

Windows Photos: It looks like we don’t support this file format

Windows Photos: “It looks like we don’t support this file format.” The first thing you need to check is if other photo viewers can actually open the file. For example try the ‘old’ Windows Photo Viewer or a third party photo viewer. If those fail to open the photo as well, the file may be… Read More »

JPEG-Repair, no SOS detected

A common error message that JPEG-Repair reports is ‘no SOS detected’. I have written several posts and made videos to repair JPEG photos in case the Windows photo viewers report errors: The old Windows photo viewer: File appears to be damaged, corrupted or is too large. The new Windows Photos: It looks like we don’t… Read More »