Tag Archives: digital image repair

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 »

can I repair corrupted JPEG files or other photos?

JPEG-Repair Toolkit Dude, can my JPEGs be repaired? “can I repair corrupted JPEG files or other photos?” is a question I get asked many times a week. Or, the variant “I ran your tool JPEG-Repair, but it does not repair my photos.”. Or, “I recovered deleted JPEG files but they are all corrupt and can… 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

2.8.101 # Adds MCU clone tool To repair a JPEG you typically need to remove corrupt data which affects alignment of all data following corruption. To re-align you then insert stuff bytes (zeros) which leave a grey horizontal line. In this video I show how I use MCUs directly above the grey line to replace… 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 »