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I have a Canon Selphy printer and when trying to print images that have been edited on my computer a question mark appears in the viewer screen. It appears that the EXIF thumbnail in the image has been stripped out.

Is there an application to generate the EXIF thumbnail for an image?

I have tried using JHead but that only regenerates the thumbail if there is already one present.

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2 Answers 2

You can use nconvert:

nconvert -overwrite -buildexifthumb foo.jpg
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Try this simple tool http://exifthumbnailcreator.suconsultorti.es. Its a software to create or reconstruct EXIF thumbnails.

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