Tag Archives: digital image repair

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 »

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 »

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.

Partial full format on SD Card, can I recover photos?

You can not recover if you let a full format complete. It depends if the full format was allowed to complete. A full format overwrites data. Overwritten data can not be recovered. So in case the format operation had the chance to complete, you can stop reading here, nothing and no one will be able… Read More »

Photos on SD card are corrupt

When you discover photos on your SD card are corrupt you should: Do as little as possible (read: nothing) with the card. Do NOT run chkdsk on the card itself! Create a disk image of the card immediately! There are free and paid ways to try to recover or repair your photos. So I’ll be… Read More »

Recent changes to JPEG-Repair Toolkit

Changes to JPEG- Repair from version 2 > I feel quite confident in saying, that IF a file is repairable (so, contains JPEG data + we have reference header), JPEG-Repair Toolkit can help you do it. So if you need to fix corrupted photos, you may want to give it a try. 2.5.91: Most work… 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 »

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 »

Can corrupt Canon CR2 RAW photos be repaired

Can corrupt Canon CR2 RAW photos be repaired? Edit 2nd of March, 2019: After having successfully repaired a number of corrupted CR2 (Canon RAW files) rather than having JPEGs extracted, I now accept CR2 files for my photo repair service. Unfortunately I know of no software that can successfully repair corrupt Canon CR2 RAW Canon… Read More »