Category Archives: Zonder categorie

repair-jpeg

Repair-JPEG.exe is the utility created by Wim Vanmaele that inspired me to add patching to my own JPEG Repair software. I can locate only one source on the internet that refers to this program. If that for some reason would seize to exist all references to it will be lost, which is why I will… 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 »

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.” In this blog post we’ll address: Check if JPEG can be repaired using a hex editor… 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 and how to fix them

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 »