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 Home » Freeware Downloads » Data Recovery » JpegDigger   
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JpegDigger is a simple utility to extract JPEG files from corrupt RAW files.

What is JpegDigger?

JpegDigger is kind of a ‘dumb’ tool. Without any knowledge of the internal structures of RAW files it will examine the file for JPEG headers. It does not decode the RAW files.

To support the different proprietary RAW image file formats it uses several JPEG signatures (magic numbers). I determined those manually examining the different RAW files using a hex editor. Once it finds JPEG data, it opens a file and dumps the binary data to this file and saves it with a JPG extension.

Changelog: (January 30, 2018) – Added JPG and CHK as source file options. Fixed problem extracting from certain NEF and CR2 files that were sent to me (thanks for that!). Better detection of ‘nested’ JPEGs.

[SHA256 (of exe): fa2b515b1136b1fb3dbc88c658b047c1f66fd8b9390fc1921f645f3e44fb239b]

File is a standalone EXE. No Setup. JpegDigger is free of viruses, malware or other crapware.

Supported RAW files
Brand Extension
Nikon .NEF
Canon .CR2, CRW
Olympus .ORF
Sony .ARW
Samsung .SRW
Pentax .PEF
Adobe .DNG
Hasselblad .3FR
Fuji .RAF
Lumix .RW2

If the format your camera shoots isn’t listed here you can email me an intact file. I will examine the file and if possible add support for it.

Using JpegDigger

JpegDigger is very easy to use:
Select the location of the corrupt RAW files. JpegDigger will automatically create a output folder in the directory as well. It is therefor advised to store the corrupt files on your hard drive rather than a memory card.

Select folder containing corrupt RAW files

Select scan depth. All files I tested went fine with the default setting. You also need to select the file extension. JpegDigger now examines the RAW files and see if there are any JPG files to extract. A file can of course be too corrupt.

Set JepgDigger scan settings

JpegDigger examines the files and creates JPEGs

JpegDigger is done. It will open output folder after clicking OK

Why JpegDigger?

JpegDigger was created out of an immediate need. Because of My Jpeg repair service people also contact me to ask if I can repair corrupt RAW image format files. I can not at this time, nor do I have the time to investigate these file formats.

It is common knowledge that a lot of RAW image files contain embedded JPEGs and for some that is better than nothing at all. For those people I was able to Extract JPEG files from RAW image files on several occasions. I use a hex editor for that. Some times I do it for free (for a few files), normally I charge the ‘Low Res Preview’ extraction fee (see).

At some point I had to do a huge load of .NEF (Nikon RAW files) so I decided it was time to put together a utility (JpegDigger) to process all .NEF files in a given directory.

Downloads Views Developer Last Update Version Size Type Rank
111 2,313 Joep van Steen <img src=""border="0"> Feb 02, 2018 - 12:12 21.3KB ZIP 5/5, out of 3 Votes.
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56Kbit Modem:  4s  · 256Kbit:  1s  · 1Mbit:  1s  · 5Mbit:  1s

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