Comments (5)
WebP format does not support IPTC metadata, AFAIK:
https://developers.google.com/speed/webp/docs/riff_container
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See also https://groups.google.com/a/webmproject.org/g/webp-discuss/c/u-zht-Suh-g/m/EXxcPYLlAQAJ
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@allmyfavoriteusernamesaretaken I guess you can (and should) use IPTC properties in XMP though (in combination w/ Dublin Core ones):
https://exiv2.org/tags-xmp-iptc.html
https://exiv2.org/tags-xmp-iptcExt.html
https://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata#iptc-core-schema-1-4-specifications
https://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata#iptc-extension-schema-1-8-specifications
Note that this seems to be the recommended way now, and modern formats like AVIF and JPEG XL also support only Exif and XMP.
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Thanks a lot!
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Thanks, I'll try this.
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