Category Archives: nef

RAW data recovery

RAW can mean several things with regards to data recovery; ‘You can recover your RAW photos from a SD Card with a RAW file system using RAW file recovery’. With regards to file and photo recovery, RAW data recovery can refer to three different things: The recovery method; RAW vs. file system based recovery It… 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 »

Recent changes to JPEG-Repair Toolkit

2.8.75 # Adds cross hair to magnifier. Requested by users. As the image magnifier shows goes through various conversions the cross hair may be off under conditions, so I also added the option to calibrate: double click magnifier to launch calibration window. # Brings JpegDigger to version 2.6.14 Various features added, deepscan, CR3 RAW file… Read More »

Recovered photos are corrupt – Won’t open

Recovered photos are corrupt and won’t open after you tried to recover them using undelete, file recovery of photo recovery software? Here’s a few things to try. There are a huge number of JPEG recovery and undelete programs available on the web, many even for free. However, the vast majority of these can only handle… 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 »

Observation with regards to corrupted DNG and NEF RAW photos

RAW photos such as DNG and NEF often embed JPEG photos. In case of file corruption it may be useful to ‘recover’ these JPEGs in case repair of the corrupted RAWs is not possible. I was reading this article: “Lucky Accidents: Viewing Corrupted JPEG Photos in a New Light“. In the comment section the author… Read More »

How to recover data from corrupted CR2 photos

JPG-Repair Toolkit allows you to recover data from corrupted CR2 photos (JPEG). Canon RAW photos (CR2) contain the raw, ‘undeveloped’ sensor data. JPG-Repair Toolkit can process multiple Canon RAW files (Cr2) files in batch. Commonly Canon RAW photos embed one or more JPEGs: a low resolution thumbnail, a medium resolution preview, and in many cases… Read More »