Tag Archives: corrupt jpeg

Corrupt 7-Zip (7z) archive, a lucky break ..

I was looking through a 7-Zip file in an attempt to repair it using HxD. The archive was created by ZArchiver, an Android backup app. Once the backup was created the phone was reset. Repairing a corrupt 7z file. The maker of 7-Zip has some hints on repairing a corrupt .7z file. Header of the… Read More »

JpegDigger’s JPEG repair feature explained

JpegDigger features a JPEG repair option. What is this and what can it do? Repair will not per se result in a perfect image. It can however repair JPEGs to a degree where they can be opened and viewed, including their flaws. JPEG structure Let’s first look at how a JPEG file is organized internally.… Read More »

Recover embedded JPEGs from RAW – Expected quality.

Repairing corrupt RAW files Repair of corrupt RAW files is difficult due to various reasons: They’re proprietary formats. Although many RAW photos internally are organized similar to TIFF files, they’re modified TIF files. Also actual image data encoding is different from format to format. Because they’re proprietary formats, there’s not much software (if any?) to… Read More »

How can I repair corrupted JPEG files and Google Search

How can I repair corrupted JPEG files? And Google’s useless results. I have stated this before and I’ll do it again: Google Search sucks. To illustrate my point I’d like to show result for the query: “How can I repair corrupted JPEG files?” Google returns useless results at the top and even endorses them in… 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 »

Accidentally deleted pictures from SSD. Recovered but they’re corrupted.

Case study, Story goes like: Accidentally deleted some pictures. Recovered them but they’re corrupted. Anyway to fix it? “I used Recuva to recover a good chunk of my pictures that were deleted but it seems that even though the file was recovered I can’t view its contents? Any program that helps with this? They were… Read More »

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 »