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Paint.net v4.0.19 stripping (EXIF) metadata tags from TIFF file

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I'm using a Canon 9000F Mark II scanner and it's included IJ Scan Utliity to scan family photos to TIFF images under Windows 10 Pro x64.

I then use exiftool v10.63 on the image file to set all the EXIF & XMP metadata Date/Time fields (to the scan date/time).

Finally I use Paint.net v4.0.19 to modify/crop the image.


Paint.net is stripping out all the metadata I set (with exiftool).


Here is a copy of the scanned image and it's original metadata (as extracted by exiftool).

Here is a copy of the image after adding the metadata via exiftool and resultant metadata in the file.

Here is a copy of the image after modification by paint.net and the metadata afterwards.


Why is Paint.net stripping the metadata? Can't it just pass it all through and only add or change what it needs to?

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From this thread....https://forums.getpaint.net/topic/111770-retention-of-full-exif-data-after-paintnet-edit/


On 9/20/2017 at 12:33 AM, null54 said:


Paint.NET should preserve all the metadata it receives when the file is loaded.



The JPEG loading and saving uses the GDI+ library that is built-in to Windows.

Paint.NET does not have any control over what it does with metadata when an image is loaded or saved.


The issue got a good airing here too...


Rick (paint.net developer) gets the final word....


On 10/28/2015 at 4:19 AM, Rick Brewster said:

A metadata editor would be useful, sure, and I wanted to add one a long time ago. It never made the cut though because it's just not important enough, and it's also a lot more complicated than you might think. EXIF isn't as simple as you might expect.


And while the APIs for working with it have become more general purpose, they've also become much more complicated. Case in point: 









In summary, you're much better off using another program for this. Someone else will have already dealt with this nightmare and made things work correctly and debugged it.


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