Tag Archives: digital photo recovery

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 CR2 and NEF files due to file fragmentation

There are many tools available to recover lost or deleted digital photos from memory cards. Most of them are unable to recover non contiguous or fragmented files. As a result fragmented files recovered by such tools will be corrupt. In such cases JPEG Recovery LAB can help you recover fragmented files. However, recovered files may… Read More »

Recovering fragmented photos and videos – the file system matters

One of the most frustrating things after file recovery is to discover your files are corrupt. Corruption can be caused by a few different things, IF we assume the software didn’t make errors like guessing the wrong file system. Parts of the file were overwritten after deletion. Overwritten data can not be recovered. File occupied… Read More »

Chkdsk turned all JPEGs into .CHK files

The other week I received a SD memory card on which chkdsk was automatically run. Chkdsk turned all JPEGs into .CHK files. When Chkdsk removes certain files from the file system, it saves the content of the clusters that belong to the file in .CHK files. They are typically written to a folder called ‘FOUND.000’. As… Read More »

JPEG File Repair Software

JPEG Repair software from Stellar is the one of the few JPEG recovery tools to repair corrupt or damaged photos, images and picture files, having JPEG file extension. Stellar offers a wide variety of data recovery related software and services. JPG files can become corrupt for a variety of reasons and it is unfortunately quite common. As… Read More »

Why photo recovery and undelete software recover corrupt jpeg files.

In this post I will try to explain why most tools fail recovering fragmented digital photos and instead recover corrupt JPEG files. If half the data is missing due to file fragmentation I can not repair the JPEG (see: JPEG Repair Service). It is better to have a tool that can recover fragmented files directly. Why… Read More »

Bottom half of JPEG is missing or greyed out

For my JPEG Repair Service I am often asked to repair JPEGs that only partially display. The bottom half of JPEG is missing or greyed out, solid grey. I some times can repair this and I some times can not. It all depends on if there is data present I can work with. Fact is  that the image… Read More »

Easily recover data from a SD memory card

Recovering data from a SD card or any other type of memory card is essentially the same as recovering data from a regular disk. As memory cards are typically ejected and inserted on a regular basis they appear to be a tad more prone to file system corruption. If this happens the memory card file… Read More »

Corrupt JPEG Files

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 »