I often get sent JPEGs for repair, and I estimate files are zero-filled in at least 50% of cases. Verify the files are not filled with zeros of some repeating byte pattern (FF FF FF etc.). Spot check some of the files using a hex editor, HxD is free. So, to anyone reading this in the future: As far as we know the file may be filled with zeros. This is an often made, incorrect assumption. Each file is approx 3MB, so there must be plenty of data to This is another highly acclaimed software that did not work for me. Unfortunately, the files are too large to upload. This is an online service that again got rave reviews. I'm not really sure what to do with this error message.

WARNING: Unknown marker, stopping decode When I use this software, I get the following error message: Start Offset: 0x00000000 They are from my uncles camera, so it would mean a lot to him if I could get them fixed.

Each file is approx 3MB, so there must be plenty of data to work with. They were all taken from the same camera.

Corrupted jpeg file repair