Category Archives: photo repair

Recent changes to JPEG-Repair Toolkit

2.8.189 – Nov 1 update # JPEG-Repair, MCU editor resizable, re-worked file save mechanism to get rid of clutter of files produced during repair. # Updated URL to check latest version, it was pointing to dead URL. # Removed preview from source file selection; rationale is that corrupt files fail to render most of time… 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 »

JPEG-Repair, no SOS detected

A common error message that JPEG-Repair reports is ‘no SOS detected’. I have written several posts and made videos to repair JPEG photos in case the Windows photo viewers report errors: The old Windows photo viewer: File appears to be damaged, corrupted or is too large. The new Windows Photos: It looks like we don’t… Read More »

Alternative method for half grey or truncated JPEG photo repair

There are various examples on this website of repairs of half grey or truncated JPEG images. In those cases all image data is actually present, but due to an error or corruption only a part of it is visible. If data is simply missing because for example the file is partially overwritten or cut-off, repair… Read More »

Repair, Recover JPEGs encrypted by ransomware STOP Djvu

This article shows repair of JPEGs that fell victim of ransomware. This particular ransomware only encrypts part of the file. Due to this the JPEG header and some 150 KB of JPEG data are lost. Using a reference file and weeding encrypted data we can repair the photo.

Unknown or invalid JPEG Marker

If you get a Unknown or invalid JPEG Marker this means one of two: The photo viewer or editor encountered a JPEG marker it isn’t familiar with. The JPEG file is corrupt. To rule out cause 1, your photo viewer editor doesn’t recognize a certain JPEG marker, update your software and if that does not help, try… Read More »

In the wild corrupted photos and their fixes

It is true that these are close to impossible to repair using PhotoShop like editors because it’s the underlying data that is corrupt. It means standard photo restoration techniques fall short as they work with the data that is available. JPEG-Repair is a tool designed to remove the corrupt data.

Recover photos from Android Micro SD Card

Probably Android phones are the most common devices to take photos with nowadays often stored on a Micro SD Card. Consequentially many lost photos will be on Android devices. Photos can be on: Internal memory (Micro) SD Card Although many want you to believe it is easy to recover the lost or deleted photos and… Read More »

Recover RAW photos using JpegDigger

JpegDigger is a JPEG carver. As such you may not expect it to be useful to recover RAW photos. However I have been able to put it to good use in a number of cases where: RAW photos were lost or deleted Photos appear corrupt on memory card RAW photos were corrupt after recovery JpegDigger… 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 »