Category Archives: Zonder categorie

How to recover data from corrupted RAF photos

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

How to recover data from corrupted PEF photos

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

MP4 video repair

I was just looking around what is available for repairing MP4 video files. I am frequently asked if JPEG Recovery LAB can repair corrupt video. There appears to be an article somewhere that makes this claim. JPEG Recovery LAB can not. However, in many cases where video files are corrupt after recovery or undelete, JPEG… Read More »

Windows Photo Viewer: File appears to be damaged, corrupted or is too large

If try to open a JPEG file with a corrupt header in the Windows Photo Viewer it will tell you: “Windows Photo Viewer can’t open this picture because the file appears to be damaged, corrupted or is too large.” This message indicates that at least the header of the JPEG is corrupt. If damage is… Read More »

The corrupt JPEGs that weren’t corrupt

Often I am asked to repair JPEGs that can be opened but don’t display correctly. Many of those look okay for some part, but turn into a grey area at some point. Repairing these files (or recovering them as we’ll see) isn’t always straight forward and sometimes requires some detective work. Half grey photos In… Read More »

Corrupt JPEG Files

First things first, what is repair and what is recovery? Corrupt JPEG file Repair and JPEG File Recovery are often mixed up. Recovery: Meaning getting lost or deleted files back from for example a memory card. Maybe the card itself (the file system) is corrupt or the card was accidentally formatted. Repair: Repair existing JPEG files that… Read More »

List of ransomware decryption tools

As a result of my ransomware research I’m now following a bunch of ‘tweeters’ that work in the field of cyber security. One tweet pointed me at this list of ransomware decryption tools. Seen this list is a big mess, I cleaned it up and make it available here. In the first column the name of… Read More »

Why you’ll never see me buy a WD My Passport

Data recovery from encrypted disks is very hard. Numerous data recovery software developers set up honey pots to draw Google search traffic of people looking for software to recover data from WD My Passport drives. Which is kind of dishonest I think. So, I guess you’ll all know, that using commercially available data recovery software… Read More »