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Open NEF files in Camera Raw > do my edits > Convert and Save Image button in top right > save / export as PNG (with ALL METADATA clearly selected)
When I do this, the file appears where I want it to (Edit folder) without metadata. DNG or JPEG alway appear to include the metadata, but the DNG's don't like to open in Window's proprietary Photos App in full resolution for some reason, and JPEGs .. I don't like lossy compression. Oh, and the DNG's won't ever appear elsewhere in the Adobe Creative Cloud or Bridge ecosystem with the edits I made. They always appear as they did when they were RAW files. This is enormously frustrating.
1. The PNG format does not support EXIF or IPTC.
2. "DNG's won't ever appear elsewhere in the Adobe Creative Cloud or Bridge ecosystem with the edits I made. They always appear as they did when they were RAW files."
DNGs are Raws and like any other Raws will display embedded JPGs when opened in a non-converter.
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1. The PNG format does not support EXIF or IPTC.
2. "DNG's won't ever appear elsewhere in the Adobe Creative Cloud or Bridge ecosystem with the edits I made. They always appear as they did when they were RAW files."
DNGs are Raws and like any other Raws will display embedded JPGs when opened in a non-converter.
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The PNG format does not support EXIF or IPTC.
By @elie_dinur
Not formally, but there is widespread support when they're stored in the ordinary PNG text chunks as raw text...
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Furthermore, it looks like the 'eXIf' chunk extension has already been registered for the PNG spec update.
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Sorry, that should've been the link to the newer 1.5 version.
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Thank you. Realized too late I was trying to fit a square peg in a round hole. Exporting TIFF did what I was trying to accomplish; save images to my local HD and have a copy to easily access from Windows proprietary Photos App for casual viewing.
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JPEG is designed for photos, you'll get much better results vs file size for that than TIFF or PNG. TIFF is great for print but not computer viewing. PNG is best for flat color graphics. And yes, PNG does support a full suite of metadata.